help plzzzzzzzzz asap

Help Plzzzzzzzzz Asap

Answers

Answer 1

Answer:

Vestigial structures: are various cells, tissues, and organs in a body which no longer serve a function. (Ex: human appendix, the pelvic bone of a snake, and the wings of flightless birds)

Homologous Structures: Homologous structures are organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor (Ex: humerus, radius, and ulna, just as the arms of the other animals included in the figure.

Embryological Similarities: The study of one type of evidence of evolution is called embryology, the study of embryos. (Ex: fish embryos and human embryos both have gill slits)

Fossil Record: history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. (Ex: bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants)

Genetic (DNA) Similarities: a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. (Ex:  basic materials in the chromosomes of the human cell.)

Divergent Evolution: is the accumulation of differences between closely related populations within a species, leading to speciation. (Ex: Darwin's finches are a clear and famous)


Related Questions

Which of the following statements correctly relates mutations and survival rates of animals?

Mutations sometimes improve the chances of survival for an animal.

Mutations always improve the chances of survival for an animal.

There is no relationship between mutations and the chance of survival for an animal.

Mutations never improve the chances of survival for an animal.

Answers

The first statement is correct :)

Which example demonstrates growth of an organism as a result of mitosis
A.) A plant withering in the sunlight
B.) A baby growing into a toddler
C.) A seed becoming a plant

Answers

(C) The answer would be “C,” as “A” is irrelevant to growth, and “B” does not represent an organism as a result of mitosis. A baby was born through sexual reproduction, meiosis, which is completely different than mitosis—asexual reproduction.
The answer is C because Mitosis is the spilting of cells asexually, B is sexual and A is destruction

PLEASE HELP ASAP

i will mark you brainiest if you get it correct for points!

Answers

The answer is A. All of them have similar properties

what is an acid? What is a base?

Answers

Answer:

An acid is a substance that donates hydrogen ions. Now there are more hydrogen ions than hydroxide ins in the solution. This kind of solution is acidc. A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions moves the other way.

Explanation:

Answer:

An acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH.

Explanation:

An acid is a substance that donates protons or accepts a pair of valence electrons to form a bond.

A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.

A scientist crossed two fruit flies in a lab. She was studying the transmission of the alleles that affect wing shape. The dominant allele, C, is the allele for curly wings, and the recessive allele, c, is the allele for straight wings. She knew that one of the parent flies was heterozygous and had curly wings (Cc). Half of the offspring from the cross had curly wings, and the other half had straight wings. Identify the genotype and phenotype of the second parent fly. State the evidence that supports your response.

Answers

Answer:

The other fly would have to be a cc

Explanation:

To do this, you can use the square method, one Cc's on the top and one side a cc, when you cross these it gives you Cc, Cc, and cc, cc. Half and half.

Hope this helped!

The other parent was cc.

Genes often occur in pairs. Genes are units of inheritance located in the chromosomes. The pairs in which genes occur are called alleles. In a given pair of alleles, one gene is dominant and the other is recessive.

In this case, the dominant gene is for curly wings and the recessive gene is for straight wings. If one parent is Cc , the other parent must be cc causing half of the offspring from the cross to have curly wings, and the other half to have straight wings.

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PLEASE HELP ME! 70 points

Answers

Answer:

1. Nucleic Acid

2. The Nitrogenous Base

Explanation:

Taxonomists try to group organisms based on?
A. Size
B. Evolutionary relationships
C. Physical appearance
D. Ecological niche

Answers

Answer:

B) Evolutionary relationships

Explanation:

While I don't believe in Evolutionary relationships, taxonomists group organisms based on Evolutionary relationships

10
01:57:37
In the study of cancer, researchers have used different types of cells, different environmental conditions, and different
experimental designs. But, all researchers have arrived at the same conclusion. What does this say about the
conclusion?

Answers

Answer: In study of cancer, researchers have used different types of cells, different environmental conditions, and different experimental designs. But, all researchers have arrived at the same conclusion that the study is well supported to cancer studies.

Explanation: This is because each cell behaves differently in different environmental conditions and each type of cell has its peculiar behaviour in different conditions.

So by this pattern varied studies can be done.

Answer:

A

Explanation:

What are the 2 reactants of cellular respiration? Where do you get them?

Answers

Hello friend! Hopefully this helps you get an idea, or maybe even help you out!

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.

countable and uncountable noun ten examples​

Answers

Answer:

Countable:  dogs, cats, sheep, trees, roads, signs, men, women, planets, universes

Uncountable:  rain, water, dirt, flour, wine, wood, plastic, glass, dust, grass

Explanation:

an xkmKJGWIgdK>kCKbmanvK.UEFIU;lage;kfkahefkj

In North America, many top predators, such as wolves, have been driven nearly to extinction. What effect do you think this has on their main prey, deer? Write your answer below, and discuss with your classmates.

Answers

Extinction refers to the elimination of species or groups of organisms due to human-made causes or natural events.

In North America, animals or predators such as wolves have been extinct that can affect the food chain and their prey.

The wolves in North America grew in number to such an extent that government and wildlife agencies developed the rules and regulations to hunt down and kill the wolves, which led them to near extinction.

Wolves feed or attack the deer and are a type of parasitism relationship. In this relationship, wolves are benefitted and deer are harmed.

The extinction of wolves will be led to an increase in the deer population, as deers are the prey and will have no fear from the wolves.

Thus, the deer population will increase in number.

To know more about extinction, refer to the following link:

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Plz help!! I need help

Answers

Answer:

a} Allosteric regulation is just any form of regulation where the regulatory molecule (an activator or inhibitor) binds to an enzyme someplace other than the active site.The shape of the active site is changed, allowing substrate to bind at a higher affinity.

b) The molecules that bind cellular respiration enzymes act as signals, giving the enzyme information about the cell's energy state. ATP, ADP, and NADH are examples of molecules that regulate cellular respiration enzymes. ATP, for instance, is a "stop" signal: high levels mean that the cell has enough ATP and does not need to make more through cellular respiration.

c) This is a case of feedback inhibition i in which a product feeds back to shut down its pathways.

Which cloud types would most likely indicate that a thunderstorm is on the way?

Answers

It’s like gray like more gray and black combine

Answer:

grey or black it combines too

Question 19 (2 points)
Enzymes are not considered to be reactants in a chemical reactions because

Answers

Answer:

they are needed for activation energy.

Explanation:

If they are needed for activation energy. Just like you don't say chloroplasts are a reactant in photosynthesis.

The rate of a physical or chemical process
refers to the amount of product formed per
unit time is expressed as
(A) rate=
Sp
Ss
st
(B) rate=
др
ds
(C) rate=
8p
(D) rate
др
St​

Answers

Answer:

(A) rate=

Sp

Ss

st

Explanation:

The rate of chemical is a measure of the speed of a chemical reaction.

The measurement of the reaction rate is based on the disappearance of a reactant or appearance of a product with increasing reaction time.

Reaction rate is usually expressed in terms of a change in concentration of the chosen reactant or product per unit of time.

During a reaction, the concentration of the reactant decreases exponentially with time while that of a product increases exponentially with time.

Reaction rate  = [tex]\frac{change in concentration of a reactant/product}{Time taken}[/tex]

The Earth's biodiversity is determined by the variety of all living organisms on Earth. In recent years, ecologists and other scientists have encouraged the preservation of global biodiversity through the protection and management of natural ecosystems. Preserving the biodiversity of the Earth is important because

Answers

Answer:

The Earth and its Biodiversity is a living laboratory

Explanation:

The importance of preserving Earth's Biodiversity remains on the idea that every single living organism that existed here on Earth is an example of how Nature can express itself. This means that we as humans can learn with every mechanism that has been developed through millions of years and apply to our self been.

Answer:

all of these

Explanation:

The preservation of the biodiversity of the Earth is important for many ecological, economic, and cultural reasons.

Biodiversity increases ecosystem stability for a given type of ecosystem because greater species diversity ensures natural sustainability of all life forms within the ecosystem. Ecosystems are also highly interconnected and the removal of even a few species can cause ecosystem disruption.

The organisms of Earth's ecosystems provide services that humans cannot replicate. These ecosystem services include the generation of soil that is typically done by microbial and animal species, the maintenance of air quality that is done by plants, the decomposition of wastes that is done by the Earth's decomposers, and the maintenance of water quality that is done by wetland ecosystems.

Using the image below identify each structure by matching the diagram label with the name of the organelle.

Cytoplasm


Nuclear Pores


Chromatin


Rough Endoplasmic Reticulum


Cell Membrane


Golgi Body


Nuclear Envelope


Cell Wall


Smooth Endoplasmic Reticulum


Nucleus


Mitochondria


Chloroplast


Vacuole


Microtubule


Nucleolus


Ribosome

1.
Structure 1

2.
Structure 2

3.
Structure 3

4.
Structure 4

5.
Structure 5

6.
Structure 6

7.
Structure 7

8.
Structure 8

9.
Structure 9

10.
Structure 10

11.
Structure 11

12.
Structure 12

13.
Structure 13

14.
Structure 14

15.
Structure 15

16.
Structure 16

Answers

Answer:

aa

Explanation:

hope heelpes sal

Cytoplasm contains the cytosol, microfilaments and other support structures in the cytoskeleton; it holds parts of the cell together.

What is cell wall?

Cell wall is the rigid outer layer of the cell; this forms a protective wall made mostly of cellulose, a structural carbohydrate. It  maintains the shape of the cell by preventing water loss. Vacuole a phospholipid membrane bound organelle plays a structural role in the cell; supports the cell membrane by exerting turgor pressure.

Arranged in a phospholipid bilayer, the cell membrane is semi-permeable; allowing entry into the extracellular fluid or the cytoplasm which are both hydrophilic and contain large concentrations of polar water molecules or other water-soluble compounds.

The hydrophilic heads of the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water and hydrophilic molecules to move across the membrane along the concentration gradient.

Therefore, Some organelles are bound by membranes like those that make up the external structure of the cell, with varying compositions of phospholipids and proteins.

Learn more about phospholipids on:

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Mandy made the following table describing the conditions required to form sleet and snow, but left something out. Which word should replace the X in the left column? (2 points)

Sleet Snow
Temperature in the cloud Below freezing Below freezing
Temperature X Above freezing Below freezing
State of water Mix of solid and liquid Solid

Group of answer choices:

A. above cloud

B. below cloud

C. on the ground

D. in the soil

Answers

Answer:

I know you're probably done with the quiz but I just wanna say the answer is B bc the other person got it wrong. I don't even understand how it would be in the soil lol.

The word that should replace the X in the left column is option C . on the ground

The following information should be considered:

The temperature should be below the cloud that calculated whether or not it becomes sleet or snow. For snow, it should  have to be below freezing. For sleet it can be Above freezing since sleet is normally created in slightly warmer temperatures.

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The atomic number is the ___.

• atomic mass
• number of neutrons
• protons plus the neutrons
• number of protons

Answers

Answer:

number of protons is the correct answer

Answer:

number of protons is the correct answer.

What characteristic was most useful in identifying each rock type? Explain. (Use the sentence starters and complete the sentences)
Igneous: The characteristic most useful in identifying igneous rocks was… because..
Metamorphic: The characteristic most useful in identifying metamorphic rocks was… because…
Sedimentary: The characteristic most useful in identifying sedimentary was rocks was… because..

Answers

Answer:

Igneous — they form from the cooling of magma deep inside the earth. They often have large crystals (you can see them with the naked eye).

Metamorphic — they are formed through the change (metamorphosis) of igneous and sedimentary rocks. They can form both underground and at the surface.

Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.

Answer:

Give some examples of rocks that would be formed through the process depicted in the figure above.

Explanation:

2. Salt in soil may affect plant growth.

Formal Hypothesis:

Answers

Answer:

if salt is present in the soil, then plants will not grow as tall

Explanation:

hypothesis' are just if ___ then ___ statements. it doesn't matter if it's correct, you just have to be confident. so, as long as you don't use probably, maybe, might, etc, and stick to the if __ then __ format, you should be good to go!

Salt affects everything

How are DNA and proteins related

Answers

Answer:  Carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene

Answer:

The significance of DNA is very high. The gene's sequence is like a language that instructs cells to manufacture a particular protein. An intermediate language, encoded in the sequence of Ribonucleic Acid (RNA), translates a gene's message into a protein's amino acid sequence. It is the protein that determines the trait.

Explanation: hope that helps

Where do I put the 4 protons

Answers

Answer:

Protons and Neutrons go in the middle

Explanation:

which two structures are not found in both animal and plant cells

Answers

Cell wall and chloroplast are two examples of structures which are found in plant cells but not in animal cells.

What are three characteristics of the gas giants that are different from the terrestrial planets?

Answers

Answer:

Gas Giants like Jupiter, Saturn, and Neptune have very low temperatures,  they have no solid surface to stand on, and they have belts of space debris that orbit around them, terrestrial planets do not share these features

Guys help!!!!!!!!!! Pleaseeee it’s urgent

Answers

Answer:

The answer is b

Explanation:

In your textbook, read about chemical bonds.
Complete the table below by writing the type or types of chemical bond found in the type of matter
on the left. Use the following types of chemical bonds: covalent, ionic, metallic.
Matter
Type of Chemical Bond Present
13. Molecule
14. Hydrogen gas (H2)
15. Magnesium oxide (Mgo)
16. Metal
17. Table salt (NaCl)
18. Sodium monoxide (Na,0)
19. Water

Answers

Answer:

13.covalent,14.covalent bond 15.ionic 16 metallic 17.ionic bond 18.ionic 19. Covalent

Metamorphic rocks form when
existing rock types are transformed by
heat, pressure, and chemical
processes while _______ the earth


A. Buried deep within

B.in the seas of

C. On the surface of



PLEASE HELP WITH THIS QUESTION

Answers

A. Buried deep within

Consider this animal cell.

The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside.

Which organelles are labeled G?

Answers

Most likely a mitochondrian

Answer:

Its Mitochondria

Explanation:

How does eating food benefit an animal?

Select all that apply.

The animal gets raw materials from the food.
The animal gets energy from the food.
The animal gets water from the food.
The animal gets heat from the food.

Answers

Answer:

2)The animal gets energy from the food.

3)The animal gets water from the food.

Hope it helps. Please mark me as the brainliest.

Explanation:

The animal gets energy from the food and The animal gets water from the food. Thus option B and C are correct.

What are the animal originated food ?

The food we get from animal source called as animal based food. These  are rich in nutrients, proteins, calcium, etc.

Milk is an important animal food product produced from cows, goats, donkeys, camels.

It is an ideal food highly rich in protein, calcium, vitamins etc.

Eggs produced from hens from poultry can be used major parts of the world.

Meat are used from different source of animals such as ducks, rabbits, goats, sheep, hens, pigs, etc.

It can be up two types such as red meat and white meat.

Red meat have lots of fat and cannot be easily digested, the sources are cows, goats, sheep, pigs, etc.

The white meat has less fat and is easily digested and the sources are  chicken, fish.

Thus option B and C are correct.

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