Answer:
The Struggle for Survival refers to the fight between organisms to survive by having access to the increasingly scarce resources in the environment brought upon by population increase.
Darwin believed that evolution was brought about by external pressures arising from this struggle for survival as species would have to adapt to the unique challenges in their environment to be able to better access resources.
This is why one must understand the challenges in an environment to understand why species in that environment evolved the way they did.
Select all that apply... A. Are very willing to give up a proton B. are very willing to accept a proton C. Want to become more positively charged D. Do not accept or give up protons
Answer:
c and a
Explanation: i used a text book
What happens on a cladogram as you move farther away from the base (and closer to the tips)?
A)The species before more and more similar.
B)The species share no common traits.
C)The species share fewer common traits.
D)The species all become extinct.
Which is a component of cell theory?
Answer:
here are some points
Explanation:
A component of the cell theory is that all living things are composed of one or more cells. A component of the cell theory is that the cell is the basic unit of life.A component of the cell theory is that all new cells arise from existing cells.Peter's Grandma has very severe memory loss. Which of the following could she be suffering from?
A. Spina bifida
B. Quadriplegia
C. Epilepsy
D. Alzheimer's
Peter's Grandma with very severe memory loss is suffering from Alzheimer's.
What is Alzheimer?Alzheimer is a progressive disease that destroys memory and other important mental functions.
Alzheimer causes the brain cell connections and the cells themselves to degenerate and die, eventually destroying memory and other important mental functions.
Thus, we can conclude that, Peter's Grandma with very severe memory loss is suffering from Alzheimer's.
Learn more about Alzheimer's here: https://brainly.com/question/18406872
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Where are instructions for making cell parts found in a cell?
Answer:
The nucleus contains nearly all the cell's DNA and with it the coded instructions for making proteins and other important molecules in a cell
Hope it's help ^_^
Which biomes would contain animals that migrate?
a- savanna
b-tundra
c-temperate deciduous forest
d-all of the above
Answer:
the forest
Explanation:
Describe the 3 ways plant seeds are dispered by other organisms.
Answer:
wind
sporulation
animals
Explanation:
Answer:
Plants can't walk to different places and take their seeds somewhere else they have developed other methods to move their seeds. The most common methods are wind, water, animals, explosions and fire. Dandelion seeds float in the wind.
Explanation:
There are five different types of seed dispersal and they are gravity, wind, ballistic, water, and animals.
By looking at a plant, how can you tell if it is a cycad and not a palm?
Answer:
D. look for cones
Explanation:
Please I need help ASAP!!
Answer:
membrane becuase it filters what goes in and out of the cell
Which enzyme activate vitamin K in the liver and blocked by which drug?
Answer:
menadione
Explanation:
Vitamin K is a fat soluble vitamin that exists in two natural forms: phytonadione (K1: fye toe" na dye' one) which is derived from plant sources and menadione (K2: men" a dye’ one) which is derived from bacterial sources. Vitamin K is a cofactor in the photosynthetic electron-transport system in green plants, which are the major dietary source of vitamin K for humans. High levels of vitamin K1 are found in leafy green vegetables while vitamin K2 is found in meat, milk and butter. In humans, vitamin K is an essential cofactor in the gamma-carboxylation of glutamate residues of several clotting factors and anticoagulant proteins. Hope this helps!
Which image shows both potential and kinetic energy?
NEED HELP ASAP
You now find new cells which contains 200 mM CaCl2 and 15 mM glucose. The cell membrane is permeable to Ca ions, impermeable to Cl- ions, impermeable to Na ions and impermeable to glucose. You transfer these cells into a solution which has 140 mM (NaCl) and 150 mM glucose. What happens to the cells after the solution and cell have come to equilibrium
Answer:
The correct answer would be - ions will move from solution 1 to solution 2 so the cell will shrink.
Explanation:
The concentration of CaCl2- = 200mM
CaCl2 dissociates in the three different ions in a solution and each has the same osmolarity
The concentration of glucose = 15 mM
So, the osmolarity of solution 1 would be:
3 × 200 + 15= 615 mM
Similarly, the osmolarity of the second solution would be
The concentration of NaCl = 140 mM
The concentration of glucose = 150 mM
NaCl dissociates in the two different ions in a solution and each has the same osmolarity
140×2+ 150= 430 mM
The solution has more concentration of ions than solution two so the movement of the calcium ion of the CaCl2- would be possible only and therefore, the cell in solution 1 will shrink.
The is about determining if you are the way you are because of your
genes or because of your upbringing.
A. continuity versus stability debate
B. biology versus environment debate
C. science versus arts debate
D. nature versus nurture debate
What have we learned from fossil evidence about evolution?
Select one:
a. It is an abrupt change.
b. The process is observable.
c. It takes place during one lifetime only.
d. The most complex traits are always selected.
Answer:
B. The Process Is Observable
Explanation:
You can observe all fossils from a billion years ago to now and there will be a change you can see visually.
Define Physical Properties?
Answer:
A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its changes between momentary states. Physical properties are often referred to as observables. They are not modal properties.
why is energy flow through an ecosystem dependent upon continual energy transformations?
Answer:
Organisms must gather energy to survive.
Explanation:
Answer:
food
Explanation:
The bacteria we are growing contain both chromosomal DNA and plasmid DNA. Both are circular, but they are different. In 3-5 sentences, discuss at least 3 differences between the chromosomal DNA and plasmid DNA found in our bacterial cells.
Answer:
Please find the explanation of the differences between chromosomal DNA and plasmid DNA below
Explanation:
As stated in this question, a bacteria cell contains both chromosomal or genomic DNA and an extra chromosomal DNA called PLASMID. They are both circular in shape but are different from one another in the following ways:
- Chromosomal DNA is larger in appearance than the plasmid DNA, hence, they differ in terms of size.
- Chromosomal DNA encodes all the information in the genome of the bacterial cell necessary for their growth and development while plasmid DNA encodes few additional beneficial characteristics such as antibiotic resistance, virulence etc.
- Chromosomal DNA is wrapped around histone proteins to form the chromosome structure but plasmid DNA is naked and not wrapped around histone proteins.
does osmosis need energy? NEED TO KNOW ASAP!
Answer:
Osmosis don't require the cell to expend any of its own energy, as they are passive processes.
Explanation:
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Appendages in arthropods are most similar to ______ in humans
a: bones
b: arms
c: chests
d: mouths
Answer:
a
Explanation:
Answer:
Bones
Explanation:
HELPPPPP ASAPPPPP PLEASEEEEE OMG
Answer:
B. A solute
Explanation:
which best describes what can happen as a result of radiation 
Explanation:
the answer is D..... radiation is the heat energy from the sun
Answer:
A car's inside temperature rises to over 100 degrees on a sunny day.
Explanation:
What do these two changes have in common? snowflakes forming in a cloud and cellular respiration
Answer:
The product of both reaction is water.
Explanation:
Both snowflakes forming in a cloud and cellular respiration have similarity of water means both releases or produce water in the end of the process. The snowflakes is made of water molecules which is present in solid state while on the other hand, when glucose is broken down in the presence of oxygen during the process of respiration, it produces carbondioxide gas and water so the product of both reaction is water.
what is produced inside the nucleus during transcription that make it possible to move genetic information outside the nucleus?
A. DNA
B. mRNA transcript
C. Proteins
Answer:
b
Explanation:
mRNA transcript
The different processes that an animal, such as an insect,
goes through as it grows and reproduces is called its
Answer:
Life cycle is my answer
Explanation:
it might be wrong
IF the mantle was soft, do you think plate motion would take place on that planet? why or why not?
Answer:
Yes because the soft mantle would move easier but subduction would be a lot more violent due to the soft mantle.
Explanation:
Nvm disregard this
Both the tropical rain forest and the tropical savanna experience/contain:
g It has been proposed that integrin proteins undergo conformational changes when they bind to small molecules diffusing into the extracellular matrix. Because integrins are transmembrane proteins, a change in their conformation can be transmitted across the membrane to the portion of the protein that interacts with intracellular structures. What biological role does this allow integrins to play in a cell's function within a multicellular organism
Answer:
Cell-cell communication
Explanation:
Integrins are heterodimeric transmembrane receptors that facilitate the adhesion to the cell-extracellular matrix by attaching the cytoskeleton to this matrix. Moreover, integrins also help the cells bind with other cells. Integrins are responsible for the communication between cells and thus control tissue structure. These receptors are responsible for the attachment of fibroblasts to collagen, as well as the attachment of fibroblasts to fibronectin. It is also important to highlight that the binding of integrins with their corresponding ligands activates signaling pathways that control diverse cellular processes including, among others, cell growth, cell development, cell migration, phagocytosis, etc.
Use the diagram below to help you to choose ALLL the CORRECT answers for the question: What are the differences between Meiosis i and Meiosis II?
(MULTIPLE CHOICE)
A In Metaphase I and Metaphase II the chromosomes line up differently because there are a different number of copies
B Telophase and cytokinesis do NOT happen in Meiosis II
C After Meiosis II the 4 daughter cells undergo cell specialization to become eggs or sperm, which does not happen after Meiosis I
D In Prophase I the chromosomes crossover, in Prophase II they do not crossover
Answer:
a
Explanation:
Write one out of the two factors which affects the pressure
many united states weather maps throughout the year will look similar to the one above. which explanation best describes the cause of this phenomenon?
Answer:
d
Explanation:
because it is?