Give three reasons why leaves might turn red?

Answers

Answer 1

Answer:

Douglas fir stops growing because it can't pull water any higher.

All tree leaves have 'thermostat' that maintains temperature.

Leaves shed new light on earlier arrival of spring.

Explanation:


Related Questions

HELP PLEASEEEE
!!!!!!!!!!

Answers

I think it’s the second one

During the months of July, August, and September, when the squirrels are more active we would expect the artic squirrels:


A) To produce more O2 when compared to other months.

B) To have a higher output of CO2.

C) To produce less water.

D) Increase in the output of glucose.

Answers

Answer:

B) To have a higher output of CO2.

Explanation:

We would expect the artic squirrels to produce a higher output of CO₂. As with most heterotrophs, the by-product of their respiratory activities is the formation of carbon dioxide gas.

They use oxygen gas to break down glucose. The process releases energy for their life activities. The waste product is usually carbon dioxide which enters back into the ecosystem as a waste.

Explain depth perception.

Answers

Answer:

the ability to perceive the relative distance of objects in one's visual field.

Explanation:

READING TOOL Make Connections Fill in the concept map to show the
organization of a chloroplast. Then below, answer the questions to describe how the
different parts are related to each other.
Chloroplast

Answers

Answer:

Chloroplast -----membranes----------internal

                                              ---------external

                   ----- Tylacoids-------------Grana

                   ----- Stroma

You will find the complete concept map in the attached files

Explanation:

The chloroplasts are limited by two membranes, the internal and the external membranes. Both of them are separated by the intermembrane space.

In the interior of the organelle, thylakoids are composing the third system of membranes. In the interior of thylakoids, there is an additional compartment named thylakoid space. This membrane system forms piles, known as grana. Different grana structures connect to each other by a longer thylakoid membrane. The photosynthetic pigments are located in the thylakoids, where it occurs the light-dependent reactions.

Surrounding the thylakoids there is a dense liquid called the stroma. Here takes a place the Calvin cycle.

To fill in the diagram you will need to show the composition of the chloroplast. Therefore, you should show the internal and external membranes, the thylakoids, the grana, and the stroma.

We can arrive at this answer as follows:

Chloroplasts are organelles present in plant cells, they are very important in the photosynthetic process.Chloroplasts have two membranes, an internal and an external one, which limits the entry and exit of substances.Inside the chloroplasts are the thylakoids, which are formed by structures called grana, which form numerous piles, which resemble towers.The unoccupied space within the chloroplast is filled with a fluid called the stroma.

In the figure below you can see how this diagram can be filled.

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What is the purpose of protein synthesis?

Answers

Answer:

Protein synthesis is the process all cells use to make proteins, which are responsible for all cell structure and function. There are two main steps to protein synthesis. In transcription, DNA is copied to mRNA, which is used as a template for the instructions to make protein.

Explanation:

Proteins are one of the most important biomolecules essential for the survival of organisms owing to the myriad of functions that they play in the physiological system.

Proteins that are ingested are easily degraded to amino acids or peptides by the action of HCl in stomach and the digestive enzymes present in the gastrointestinal tract. Thus, proteins have to be synthesized in the body to meet the body's needs for various functions.

Some of the functions of proteins include:

1.  Enzymes are majorly proteinaceous in nature and are required for crucial functions, including cell division and DNA synthesis.

2. Motor proteins help in movement and also provide cytoskeletal structure to the body.

3. They are required for the functioning of the immune system.

4. Proteins are required for cell signaling pathways.

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During meiosis, cells divide two times, rather than one time like mitosis. Why is having two rounds of division important for sexual reproduction?

Answers

It leads to crossing over which increases genetic variation

I need help PLZZ this will mean a lot

Answers

Answer:

True

Explanation:

some genetics can cause mutations and can be passed down or skip generations

which set of organelles would be found in both human lemon tree cells

Answers

Mitochondria, nucleus, and endoplasmic reticulum, and cen

What was Newton's second law? BRAINLIEST FOR THE BEST ANSWER DUE IN FIVE MINUTES PLEEAASSEE ANSWER

Answers

Answer:It's basically F = ma, Net Force = mass*acceleration.

Explanation:

Isaac Newton's second law : Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).

If an atom contains 7 protons, 15 neutrons, and 7 electrons, its atomic number would be:

Answers

Answer: Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus. Some nitrogen atoms have an atomic mass number of 15 (A=15).

Explanation:

Elaborate on the disease Syphilis. Please and thank you

Answers

syphilis is a bacterial infection usually spread by sexual contact. The disease starts as a painless sore typically on your genitals, rectum or mouth. Syphilis spreads from person to person via skin or mucous membrane contact with these sores.

Select the correct answer.
How is relative-age dating used to determine the ages of fossils?
A.
by observing the formation of sedimentary rocks
B.
by using radioactive isotopes
C.
by estimating the number of fossils in a particular region
D.
by the formation of igneous rocks
E.
by identifying the way the fossils were formed

Answers

Answer:

i think it c

Explanation:

True or False: Winter occurs because Earth is farther away from the sun,
and Summer occurs because Earth is closer to the sun. *
True
Or
False

Answers

Answer:

False

Explanation:

The seasons occur because of the tilt of the Earth on its axis. The earth stays in a perfect orbit around the sun and doesn't move further or closer to it.

f a l s e

explanation: i did my research

What type of reproduction produces offspring with more genetic variation: sexual or asexual?

Answers

Answer:

yes I can confirm your answer is sexual

Foods containing carbohydrates and fats are also called ______ giving foods

Answers

Answer: Energy giving foods.

Explanation:

Please help me and please use your own word and do not copy and paste form google thank you
What is a macromolecule

Answers

Answer:

A macromolecule is a very large molecule, such as protein, commonly composed of the polymerization of smaller subunits called monomers. They are typically composed of thousands of atoms or more. A substance that is composed of monomers is called a polymer .

Explanation:

Areas by the coast (like the one pictured) will often change due to the wind 1 point
patterns. It forms small hills that can be stabilize by some plants, but will
continuously shift over time. This is an example of:
Dunes
Morianes
Sandspit
Eskers

Answers

Answer:

is this a question

Explanation:

Answer:

Sandspit is the best answer


Severe or sudden changes in Earth's atmosphere can cause entire species of animals to die. When all of the members of species die out, it is called
A
mutation.

B
natural selection.

C
extinction.

D
revision.

Answers

Answer:

Extinction

Explanation:

Extinction stands for coming to an end or dying out

When all of the members of a specie die out due to Severe changes in Earth's atmosphere it is called : (C). Extinction

Meaning of extinction

Extinction is the loss of a specie or an entire race due to severe changes in the atmosphere or climate changes. Its cause is mostly natural and most time human influenced.

Extinction can also be said to mean the coming to an end of a racee or dying out of a race or species.

In conclusion, When all of the members of a specie die out due to Severe changes in Earth's atmosphere it is called Extinction

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Is carbon a renewable resource?

Answers

Answer: No

Explanation:

After photosynthesis, energy that the coral can use is stored in
molecules of?

Answers:
O2
CO2
H2O
C6H12O6

Answers

Answer:

Energy is stored in glucose molecules C6H12O6

Explanation:

Producers make sugars stored as monomers bonded together to form polysaccharides, long chain hydrocarbon molecules as a result of the process of photosynthesis. These molecules, like the monosaccharide glucose, store converted solar energy as stable  chemical energy in covalent bonds.  In covalent bonding, the elements share electrons with each other.

These high-energy bonds are stable and not easily destabilized or broken. The energy is retrieved the the process of respiration in the mitochondria.

Glucose is broken down, while energy is transferred to bonds between ADP and inorganic phosphate, to produce ATP (adenosine triphosphate).  

Eg. for aerobic respiration...

C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP

glucose+ oxygen →  carbon dioxide+ water+ energy

In a longitudinal wave, _______ are the places where the coils of the wave are crowded together (squishy) , and ________are the places where the coils are spread apart. lesson: 4.02
Question 11 options:

rarefaction, compression

compression, rarefaction

trough, crest

crest, trough

Answers

Answer:

the answer is C)trough, crest

___ - breaks down to form the soil above it

Answers

Answer:

Under the action of heat, cold, rain, wind, and other atmospheric factors, the rock breaks down physically into small fragments that become the parent material of the soil. The rock also chemically changes as the compounds in the rock dissolve in rain or react with air.

Explanation:

Sterility is an important condition to be maintained in fermenter. true or false?​

Answers

Answer:

I'm pretty sure it's true.

Explanation:

It's true because, in the fermentation of mashes by bacteria or similar organisms, it is necessary after each fermentation has been completed and the fermented mash removed, to sterilize the fermenter vessel to prevent contamination during the next fermentation.

BRAINLEST AND POINTS HELP ME OUT !!

Answers

Answer:

2 is a,  1 is b,   4 is d, and 3 is c

Explanation:

Which element is the basis for all living things and can combine with other elements in many ways?
O phosphorus
O carbon
O oxygen
O sulfur

Answers

Carbon is the basic element for living thing

What is the total profit of cell respiration?

Answers

Summary. Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water

please help me list the four forms in which living cells exists and give an example each​

Answers

Single/free-living :Amoeba

Colony/colonial :Eudorina

Filamentous/filament :Spirogyra

Part of living organism - cheek cell/onion cell

as cell size increases the surface area to volume ratio

Answers

Answer:

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

Help please ;)))


I’ll give brainless

Answers

i think it is recessive but i could be wrong

Answer:

Incomplete Dominance

Explanation:

It's not completely dominant over the other, so therefore it is incomplete dominance. Hope this helped :)

The "code" for physical traits is contained in a molecule called
Segments of this molecule that code for specific
are called.....
In order to conserve space and protect the molecule, DNA wraps around proteins to form....
What a cell is about to divide, DNA wraps up even tighter into
Complex organisms have many molecules of DNA in every cell, and each molecule is commonly referred to as a......
, even if it is not wrapped up as one.

Answers

Answer:

DNA

proteins

genes

chromatin

chromosomes

chromosome

Explanation:

The “code” for physical traits is found in a molecule called DNA. Segments of this molecule that code for specific proteins are called genes. In order to conserve space and protect the molecule, DNA wraps around proteins to form chromatin. When a cell is about to divide, DNA wraps up even tighter into  chromosomes.  Complex organisms have many molecules of DNA in every cell, and each molecule is commonly referred to as a chromosome, even if it is not wrapped up as one.

The "code" for physical traits is contained in a molecule is called DNA (genetic code).

Segments of this molecule that code for specific are called genes.

In order to conserve space and protect the molecule, DNA wraps around proteins to form nucleosomes.

What a cell is about to divide, DNA wraps up even tighter into chromosomes.

Complex organisms have many molecules of DNA in every cell, and each molecule is commonly referred to as a chromosome, even if it is not wrapped up as one.

In conclusion, the "code" for physical traits is contained in a molecule is called DNA (genetic code).

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