True or false: Despite the large explanatory ability of evolution, no direct observations of evolution have been made.

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Answer 1

Answer:

false

Explanation:


Related Questions

13. why might amplification of a signal be important during transduction?

a. the signal needs to be repeated several times before a cell can respond

b. it reduces signal errors during transduction

c. the signal is louder for the cell

d. more molecules can be activated in fewer steps

e. the signal is to small for the cell to recognize otherwise​

Answers

Answer:

b ) it reduces signal errors during tranduction

True or False: Microbiomes are found only within the body of a host, which may be animal, plant, fungal, or even protist.

Answers

True, microbiomes are found only within the body of a host.

If You Had Three Wishes, What Would You Wish For?

For my first wish i would wish to have endless wishes then i will wish whatever i want

Answers

Answer:

Both we have the same idea. I also have thought about that before. lol

Answer:

total freedom, Be 21 forever(lol) and thats it

Explanation:

Tucker and Micayla are conducting an experiment about cellular respiration. The purpose of their experiment is to find out if plant cells utilize celluid!
respiration in addition to photosynthesis. They begin by filling one test tube with glass beads, one with dried (non-germinating) peas, and one with
peas that have been soaked and have begun to germinate
Glass beads Dry peas Germinating peas
growth and reproduction pipettes carbon dioxide
eat
make
oxygen
Look at the diagram. A product of cellular respiration is
A reactanto cellular respiration is
energy for
The differences that plants first
respiration, whereas animals must
which can escape from the test tubes through the
which will be used up. Plants, like animals, need
food that later undergoes cellular
food
Review progress
Question 22
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Cellular respiration is commonly described as a metabolic pathway that reduces glucose and produces ATP. The answers are in the bullet point below:

The test group will undergo cellular respiration is the germinating peas. This is because they have been placed in an environment/conditions aid or  start to grow. This implies hat they are the only test group that can under cellular respiration. They  ATP for their growth.

A product of cellular respiration is carbon dioxide, which can escape from the test tubes throw the pipettes. A reactant of cellular respiration is oxygen, which will be used up. Plants, like animals, need energy for growth and reproduction. The difference is the plants first make, food, then undergo cellular respiration, whereas animals must eat, food, then undergo cellular respiration to make the energy from food available.

In Cellular respiration process, organisms utilizes the oxygen so as to break down food molecules and in turn produce chemical energy for cell functions.

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Tucker and Micayla are conducting an experiment with cellular respiration. The purpose of their experiment is to find out if plant cells utilize cellular respiration in addition to photosynthesis. They begin by filing one test tube with glass beads, one with dried (non-germinating) peas, and one with peas that have been soaked and have begun to germinate. Look at the diagram. Predict which test group will undergo cellular respiration and explain why.

product of cellular respiration is __________, which can escape from the test tubes throw the ________. A reactant of cellular respiration is ________, which will be used up. Plants, like animals, need energy for ______. The difference is the plants first ________, food, then undergo cellular respiration, whereas animals must _______, food, then undergo cellular respiration to make the energy from food available.

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Why do you think that you had to use a thin layer of onion skin, rather than a thick layer for the microscope?

Answers

Answer:

Because the thin layer will have more bacteria on it since its on the outside

Explanation:

Which of the following can be used to assess the biological diversity of an area?.

Answers

Answer:

genetic variation within each species and number of species present

Explanation:

HELPPPPPPPPPPPPPPPPPPPP
A: equilateral
B: isosceles
C: right
D: scalene

Answers

Answer:

B.Isosceles

Explanation:

Mark me as brainliest

Answer:

B. Isosceles

Hope this helps :)

Should farm animals we eat be genetically modified?

Answers

Answer:

GE animals may be disease resistant, parasite resistant, and withstand stress. The beneficial trait can likely improve their well being because they will be more productive.

Explanation:

What type of cell or structure stores food within the stem?.

Answers

The parenchyma cells!

receptors for neurotransmitters are of primary functional importance in assuring one-way synaptic transmission because they are mostly found on the _____.

Answers

Answer:

The axonal membrane (place as brainliest so others know its correct)

Receptors for neurotransmitters are of primary functional importance in assuring one-way synaptic transmission because they are mostly found on the Axonal membrane.

What are Neurotransmitters?

Neurotransmitters may be defined as the type of chemical substances that are correspondingly liberated at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse or junction. They are released in the location known as the synaptic cleft.

The receptors of these neurotransmitters are present in the plasma membrane of postsynaptic cells which selectively bind the transmitter. They are integral membrane glycoproteins with multiple transmembrane segments.

Some examples of neurotransmitters may include serotonin, GABA, dopamine, acetylcholine, etc.

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Pesticides may enter a forest ecosystem in a number of different ways. Sometimes,
humans intentionally introduce a chemical pesticide to a forest to control the spread of an
invasive species. Although a pesticide may be designed to destroy this species and benefit

the ecosystem, using it can sometimes have unintended consequences.
Which sentences describe possible negative, unintended consequences of this practice?
Select all the correct answers.
The pesticide may be absorbed by other plants and harm them.
Animals that consume plants may ingest the pesticide and be harmed by it.
The pesticide may rid the ecosystem of the species it is designed to destroy.
The pesticide may enter the soil and be washed to other locations by moving water.

Answers

Answer:

The pesticide may be absorbed by other plants and harm them;Animals that consume plants may ingest the pesticide and be harmed by it.;The pesticide may rid the ecosystem of the species it is designed to destroy.

Explanation:

I feel these are the most negative consequences they could have

BRAINLIEST?

What makes a plant a producer?

Answers

Answer:

iii

Explanation:

Answer:

Plants supply food for the ecosystem

Explanation:

The green plants can accommodate their food for themselvesThey provide the foods made by them to the whole ecosystem.

So theya re producers

Which of the following statements is false?

*Pressure on the sciatic nerve causes carpal tunnel.
The "funny bone" is really a nerve.
All spinal nerves are mixed nerves.
A dermatome can be formed by a spinal nerve or cranial nerve.

Answers

Answer:

a. Pressure on the sciatic nerve causes carpal tunnel.

Explanation: is the correct answer that is the false statement

The main characteristic of the architecture of all plant-pollinator networks on Earth is ________.

Answers

Answer:

The main characteristic of plant-pollination networks is their nested designs.

Which of the following choices best describes ‘ovulation?'
A. An egg is released from the ovary.
B. An embryo sinks into the uterus lining.
C. The sperm and egg nuclei fuse.
D. The ejection of sperm through the penis.

Answers

Answer:

An egg is released from the ovary

Ovulation is a crucial process in the female reproductive system, occurring as a part of the menstrual cycle. It involves the release of a mature egg (ovum) from one of the ovaries. The correct option is A. An egg is released from the ovary.

1. **Menstrual Cycle**: The menstrual cycle is the regular hormonal cycle that occurs in women of reproductive age. It typically lasts around 28 days, although the length can vary from woman to woman. The cycle is divided into different phases, with ovulation occurring during one specific phase.

2. **Follicular Phase**: The menstrual cycle begins with the follicular phase, where hormones, primarily follicle-stimulating hormone (FSH) and luteinizing hormone (LH), are released by the pituitary gland. These hormones stimulate the growth and maturation of follicles in the ovaries.

3. **Ovarian Follicles**: Within the ovaries, multiple tiny sacs called ovarian follicles contain immature eggs. Each month, one of these follicles becomes dominant and continues to grow while others degenerate.

4. **Mature Follicle Development**: As the dominant follicle grows, it secretes estrogen, a hormone that prepares the uterus for a potential pregnancy. The rising estrogen levels also trigger a surge in luteinizing hormone (LH) around the middle of the menstrual cycle.

5. **Ovulation**: The LH surge triggers the final stage of ovulation. It causes the mature follicle to rupture and release the mature egg from the ovary. The egg is swept into the fallopian tube by tiny hair-like structures called cilia.

6. **Fertilization**: The released egg remains viable for about 12-24 hours. If sexual intercourse occurs during this time and sperm are present in the fallopian tube, fertilization may occur. Fertilization is the process where the sperm penetrates the egg, resulting in the formation of a zygote (fertilized egg).

7. **Implantation or Menstruation**: If the egg is not fertilized, it will eventually disintegrate, and hormone levels will drop. This leads to the shedding of the uterine lining, causing menstruation to occur. On the other hand, if fertilization occurs, the resulting zygote will undergo several divisions and travel down the fallopian tube to the uterus, where it may implant into the uterine lining and develop into a pregnancy.

Ovulation is a crucial event in the female reproductive cycle, marking the release of a potential egg for fertilization. It is a key factor in determining fertility and the ability to conceive a child.

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Chitin is all of the following EXCEPT ________. Found in insect and crustacean shells Composed of N-acetylglucosamine subunits Composed of linear fibrils like cellulose Found in plant cell walls

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Answer:

Found in plant cell walls

Chitin is all of the following except it is found in the plant cell wall. So, the correct option is D.

What do you mean by Cell wall?

It is the outermost layer of a cell that can be tough, flexible, and sometimes rigid. Its function is to provide structural support and protection to the complete cell.

The Cell-wall of fungi is made up of chitin. It is composed of N-acetylglucosamine subunits. It is also composed of linear fibrils like cellulose. Mostly, found in insect and crustacean shells.

Therefore, Chitin is all of the following except it is found in the plant cell wall.

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How does pyruvate enter the mitochondrion.

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Answer:

Pyruvate is a charged molecule, so in eukaryotic cells it must enter the mitochondrion via active transport, with the help of a transport protein. ... Pyruvate is broken down into three CO2 molecules, including the molecule of CO2 released during the conversion of pyruvate to acetyl CoA

Hope it helps :D

Which statement best represents the way the köppen climate system, environmental determinism, and possibilism are related?.

Answers

Köppen refuted possibilism in developing his climate system, establishing environmental determinism, the view that humans are inexorably shaped by the physical environment.

How to find recombination frequency.

Answers

Answer:

A test cross is required

dna is a double-stranded molecule made up of complementary, antiparallel strands. based on what you know about complementary base pairing, fill in the rest of the details in the figure.

Answers

The details in the figure correspond to the elements that the DNA strands have in their ends. Also, they correspond to the antiparallel strand with the complementary bases.

The DNA has two antiparallel strands with complementary bases (thymine, adenine, guanine, and cytosine). That is to say, that T pairs with A and G with C. Also, they have specific elements in their ends.

The 3' strand in its end has a hydroxyl (OH) group.The 5' strand in its end has a phosphate group.There is a complementary strand with its respective nucleotides that will pair with the other strand according to their specific bases (A-T; C-G)

In conclusion, the top left end of the 3' strand has a hydroxyl group, while the top right, the 5', has a phosphate group. The complementary strand will go the other way round, from 5' to 3', so the hydroxyl and phosphate groups would be on the right and the left, respectively. The bottom strand is the complementary one, and it runs from 3' to 5'.

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Which is the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources?(1 point) using high power generators using high power generators using hydroelectric power using hydroelectric power using recycled materials in house construction using recycled materials in house construction saving electricity at home

Answers

Answer:

saving electricity at home

Explanation:

The most practical approach that reduces dependence on nonrenewable energy sources is using recycled materials in house construction that save electricity at home.

What do you mean by Nonrenewable energy?

Non-renewable energy may be defined as that energy that will run out or will not be replenished for thousands or even millions of years.

Increase the use of electric and hybrid vehicles, install solar panels in a large amount, excessive use of energy-efficient appliances in the home, and the three R's are the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources.

Therefore, the most practical approach that reduces dependence on nonrenewable energy sources is using recycled materials in house construction that save electricity at home.

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6. Challenge: Based on the weathering patterns, guess the rock type shown in each photo.


Answers

What are the photos?

The type of fibers specialized to continue contracting for extended periods of time, as would be required in running a marathon, for example, are _____ fibers.

Answers

The type of fibers specialized to continue contracting for extended periods of time, as would be required in running a marathon, for example, are slow fibers.

Slow fibers have numerous mitochondria that allow you to obtain large amounts of energy aerobically.

Its contraction speed is slow, providing it with high resistance to fatigue, thus maintaining exercise for hours, typical of endurance sports (marathon).

They are able to retain a longer duration of exercise at a more constant pace.

These fibers are important for endurance triathletes, those who compete in medium and long distance.

Therefore, we can conclude that the type of fibers specialized to continue contracting for extended periods of time, as would be required in running a marathon, for example, are slow fibers.

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true or false: the difference in the sun, earth, and moon’s syzygy is why there are different types of eclipses.

Answers

Answer:

I think the answer is true

the answer is true.

Organic phosphate is taken up by producers during photosynthesis and released by cellular respiration.

True or false ?

Answers

Answer:

true

Explanation:

pa brainliest po please

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Which is not a major factor that influences the strength of a rock?



time



rock type



age of rock



temperature

Answers

structure and texture

Bryant Vaughn first worked for United States government as a forensic botanist in 1975, _____ after pollen analysis was first used by Lennart von Post.

Answers

Bryant Vaughn first worked for the USA government as a forensic botanist in 1975, 59 YEARS after pollen analysis was first used by Lennart von Post. L. von Post is considered the father of palynology.

Palynology refers to the discipline that studies plant pollen in both living and fossil forms of life.

Lennart von Post was a naturalist and geologist who is generally regarded as the father of modern palynology.

L. von Post published in 1916 a quantitative analysis of pollen grains entitled “Forest-tree pollen in south-Swedish peat layers”.

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the color of flowers are due to the presence of pigments known as:A)​

Answers

Answer:

chlorophyll

Explanation:

it is due chlorophyll

Which of the following is a binocular cue for depth perception?.

Answers

Where is the picture ?

A binocular cue used to assess depth between two nearby objects is called retinal disparity.

What is the binocular cue for depth perception?

The pictures that both eyes focus on to create stereopsis, or the feeling of depth, is known as binocular depth cues. Using binoculars, one may see the world in three dimensions.

Binocular depth signals can be classified as either retinal disparity or convergence. Convergence centers on a single object while using both eyes.

A binocular cue used to assess depth between two nearby objects is called retinal disparity. It accomplishes this by contrasting the various pictures from the two retinas. Because the distance between each eye is typically around two and a half inches, each eye sees different pictures.

Therefore, the retinal disparity is a binocular cue for depth perception.

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The given question is incomplete, so the correct is,

Which of the following is a binocular cue for the perception of distance?

a. visual cliff

b. linear perspective

c. relative motion

d. relative size

e. retinal disparity

classify the materials that undergo decay. write decay and non-decay in the space provided for
1. fish
2.stick

Answers

classify the materials that undergo decay. write decay and non-decay in the space provided for 2) stick

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