There are several mechanisms through which reproductive isolation occurs. Which situation is an example of behavioral isolation?

A.
Mules, the offspring of a male donkey and a female horse, are unable to reproduce because they are sterile.
B.
The reproductive organs of snails only properly align when the male and female belong to the same species.
C.
Males of different, closely related species of fireflies signal for mates by flashing different light sequences.
D.
Red and purple sea urchins cannot reproduce with one another because the sperm and egg cannot fuse.

Answers

Answer 1
I think it’s a but not sure

Related Questions

I don't get it,can someone help me?​

Answers

Answer:

Out

Explanation:

If the mass is less that means there is less water on the inside of the cell and more water on the outside. also because there is less water outside the cell, due to the properties of osmosis, it would tracel out.

Cellular Respiration and photosynthesis are related in that they are opposite of each other. The products of one process are the reactants of the other.

True


False

Answers

Answer:

This statement is true.

Explanation:

because during photosynthesis , oxygen is produced because of the reaction of carbon dioxide, and  water in the presence of sunlight. oxygen and glucose  are synthesized during photosynthesis while on the other hand, oxygen is used in respiration and carbon dioxide is produced which again used by plants.

why do some root cell have root hair

Answers

Answer:

Root hairs form an important surface as they are needed to absorb most of the water and nutrients needed for the plant. They are also directly involved in the formation of root nodules in legume plants. ... Having a large surface area, the active uptake of water and minerals through root hairs is highly efficient.

Answer:

Explanation:

Root hairs appear when the epidermis differentiates. The epidermis has specialized cells that are root hair cells. Much attention has been given to root hairs because of their presumed importance as absorbing surfaces.

These structures are found in the nucleus of dividing cells they appear x -shapped

Answers

Answer:

Because each duplicated chromosome consists of two identical sister chromatids joined at a point called the centromere, these structures now appear as X-shaped bodies when viewed under a microscope. Several DNA binding proteins catalyze the condensation process, including cohesin and condensin.

Explanation:

Explain the relationship between coral and algae, and how a problem with algae photosynthesis caused coral bleaching in the Great Barrier Reef.
How did water from the Great Barrier Reef affect ATP, NADPH, and sugars?
explain how you know that paraquat did not cause the coral bleaching.​​​​​​​

Explain why you know that diuron caused the coral to bleach.​​​​​​​

Answers

Answer:

mutualistic relationship.

paraquat is a herbicide.

Diuron is a algaecide.

Explanation:

mutualistic relationship is present between coral and algae. Paraquat did not cause the coral bleaching because paraquat is a herbicide which is used to kill weeds not algae. We know that coral have small algae attached to its body which is responsible for its colour so if we apply paraquat, it does not kill the algae and so coral bleaching did not occur. if we apply diuron which kills algae so it causes coral bleaching and the coral becomes white.

Why is red light the best for photosynthesis?

Answers

Answer:

The primary reasons why LED fixtures emit a lot of red are 1) red LEDs are among the most efficient at converting electricity into photosynthetic photons, 2) chlorophyll strongly absorbs red light, thus it is effective at photosynthesis, and 3) red LEDs are relatively inexpensive

How many days does it take the moon to orbit earth?

A. 36.2

B. 1

C. 23.5

D. 29.5

Answers

Answer:

D.29.5

Explanation:

it's takes 29.5 days to orbit the sun

I would greatly appreciate it if some can Please help me asap!!!
Which kind of root system would more likely benefit a desert plant----a taproot or a fibrous root system? Why?

Answers

Answer:

A taproot

Explanation:

A taproot will most likely benefit a desert plant because a taproot is a large long root that gets deep into the soil because in a desert the soul isnt fertile and is also sandy so a fibrous root system would be less beneficial because it will absorb less nutrients and will have a hard time clinging on a sandy soil while a taproot can reach further into the fertile part of the soil.

Which two statements describe processes most likely to be involved in the
formation of sedimentary rock?
I A. Rivers flow across many miles into a body of water.
OB. A volcano erupts near a coastline.
OC. Tectonic plates push on each other underground.
O D. Windstorms blow regularly near rocky cliffs.

Answers

Answer:

the answer would be A and D

Explanation:

Rivers flow across many miles into a body of water

windstorms blow regularly near rocky cliffs.

thanks

8
Organisms evolve due to changes in their DNA called
A
growing
B cellular respiration
mutations
D
recombination

Answers

Answer:

Mutaciones

Explanation:

Los cambios genéticos incluyen mutaciones causados por errores en la replicación del ADN de un organismo

Answer:

b cellular respiration

3 process that directly add carbon dioxide to atmosphere?

Answers

Answer:

Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement

respiration, human combustion and ocean-atmosphere exchange

I’ll mark brainliest !



Please answer ALL the questions above !

Answers

Answer:

1. B

2. C

3. B

4. A

Explanation:

Hope this is right

2. How are the circulatory, respiratory and lymphatic systems related to each other? specific.​

Answers

Nooooooo oooo oooo oooo

Which stage of cellular respiration produces the largest amount of energy?
Stage one

Stage two

They produce an equal amount of energy

Answers

The answer is Stage 2

Stage 2 hope this helps

what was the Louis Pasteur view regarding the origin of life​

Answers

Answer:

Louis Pasteur effectively disproved the spontaneous generation concept by performing research that displayed exposure to fresh air was the trigger of the microbial growth.

Explanation:

Xavier and Jill are practicing the 100-meter sprint. Which statement BEST describes the metabolic pathways their muscles will utilize to produce the
quick energy needed for this intense exercise?
A Glucose is converted to pyruvic acid, followed by the aerobic pathways of the Krebs cycle and the electron transport chain.
B. Glycolysis produces pyruvic acid and 2 molecules of ATP, then in the absence of oxygen, alcoholic fermentation regenerates NAD to keep
glycolysis running
o
C. The pyruvic acid from glycolysis enters the mitochondria and is broken down in the Krebs cycle.
D. Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.

Answers

Answer: D:Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.

Explanation:

Match each form of energy with its definition. The energy of the bonds between atoms.


mechanical energy

Kintetic energy

Chemical energy

potential energy

Answers

chemical energy, hope this helps. Correct me if im wrong but im sure its chemical energy

What type of cell is mostly square or rectangular shaped? *
O A animal
B bacteria
C plant
O D fungus

Answers

Answer:

It would be >> C plant cells

please help.
1. When does it finish boiling
2. When does the potential energy come
PICK A LETYERY​

Answers

Answer:

1. F 2. F

Explanation:

im not sure about the second one tho but im definitly sure about the first one :)

describe how hormones work and explain why they are important?.
Give at least one example in your answer
6 marks​

Answers

Answer:

Hormones are molecules produced by the endocrine system that send messages to various parts of the body. They help regulate your body's processes, like hunger, blood pressure, and sexual desire. While hormones are essential to reproduction, they are fundamental to all the systems of your body.

which macromolecule provides the blocks for recovery and repair in forming new muscle?

Answers

Answer:

It hast be protein

Explanation:

Answer:

Protein

Explanation:

Proteins provide strength,structure,and support for the body.

Which statements represent convection? Select two options. Black asphalt gets very hot on a sunny day. The movement of air in a hot-air balloon makes it rise into the sky. A dark sand beach can burn the soles of your feet. A spoon gets warm from sitting in a soup pot. A house has high heating bills because the heat ends up in the attic. A house loses heat through an exterior wall.

Answers

Answer:

B. and E. are the correct answer because convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

Explanation:

hope this helps

Convection is a heating transmission process. The options are B) The movement of air in a hot-air balloon makes it rise into the sky, and E) A house has high heating bills because the heat ends up in the attic.    

What is convection?

Convection is a natural process that results from heating transmission between two substances.

The change in temperature between these substances produces a change in density as well, and hence, the movement of the substances.

The cyclic circular ascending and descending motion of materials as they get heated or cooled is known as convective currents.  

Among the options, the correct statements are,

B) The movement of air in a hot-air balloon makes it rise into the sky.

E) A house has high heating bills because the heat ends up in the attic.

You will learn more about convection at

https://brainly.com/question/4138428

Which is one physical property that all stars have?

Answers

Answer:

They all has gases in them also they all are bright

Explanation:

hopefully this helps

Answer: They are made of gases such as hydrogen and helium. They shine very brightly due to the interaction of hydrogen and helium at appropriate pressure and temperature. They contain iron in their cores which monitors the fusion reaction

Explanation:

How long is the Lechuguilla cave?

Answers

i believe it’s 138.3 miles

PLEASE HELP ME!!!
Help me by naming all the moon phases that are happening in each number.
Please, and Thank You!
Will Mark Brainliest!!!

Answers

Answer:

1. new moon

2. waxing crescent

3. first quarter

4. waxing gibbious

5. full moon

6. waning gibbious

7. third quarter

8. waning crescent

What is one of the energy transformations that takes place during cellular respiration
energy to
energy

Answers

One of the energy transformations that take place during cellular respiration is the conversion of chemical energy in carbohydrates into usable cellular energy in the form of ATP.

During cellular respiration, the bonds holding carbohydrate molecules in foods together are broken down and the energy in the bonds is converted to usable energy by cells, in the form of ATP.

Cellular respiration takes place in a series of reactions, but the summary is represented in the equation below:

[tex]C6H12O6 + 6O2 ---> 6CO2 + 6H2O + energy[/tex]

More on cellular respiration can be found here: https://brainly.com/question/13721588?referrer=searchResults

HELP WILL MARK BRAINLIST !!!

Answers

Answer: 9. is D

10. is A

Explanation:

Answer:

the 2 at the top:

1. unicellular cells are made of 1 cell

2. multicellular cells are made of many cells

the middle ones:

very sorry don't know those ones

the last ones:

prokaryote goes to B

eukaryote goes to C

unicellular goes to D

multicellular goes to A

Explanation:

sorry i couldn't help that much :/

Which organelle makes proteins?
*
o
A chloroplasts
O B nucleus.
C ribosomes
O D Golgi apparatus

Answers

c ribosomes is ur answer
mark me brainlist plz :)

Answer: RIBSOMES

Explanation:

none

Match each moon or planet to the most accurate characteristic

.A. Earth's moon
B. Venus
C. Europa
D. Mars

1. It contains large amounts of frozen water
2. The temperature of its atmosphere is increased by high levels of carbon dioxide
3. It doesn't have enough gravity to have an atmosphere
4. Astronomers believe there is a good chance it contains liquid water

Answers

Answer:

a to 3

b to 1

c to 4

d to 2

im sorry if some of these are wrong hope this helps a little bit :)

what is the name given to lichen or algae after a primary succession

Answers

Answer: the pioneer species

Explanation:

Answer:

The answer is pioneer species.

Explanation:

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