How are thorns and spines related to drought resistance?

Answers

Answer 1

Answer:

To survive in drought conditions, plants need to decrease transpiration to limit their water loss. Some plants that live in dry conditions have evolved to have smaller leaves and therefore fewer stomata. Extreme examples are plants with leaves that resemble spiky thorns or spines.


Related Questions

which statement accurately describes the potential effects of disturbance on species diversity?

Answers

Moderate levels of disturbance generally act to reduce species diversity within a community. In many biomes, periodic disturbances may eliminate the dominant plants.

Which of the following cells is responsible for maintaining bone and the correct levels of oxygen and minerals?

Answers

Answer:

c. Osteocytes

Explanation: is correct

autonomic reflexes enable the ans to control what kinds of visceral functions? check all that apply.

Answers

Given what we know about the Autonomic Nervous System we can confirm that autonomic reflexes enable the ANS to control functions such as heart rate, urination, and breathing rates.

These are among the many visceral functions that the Autonomic Nervous System controls. As per the pattern that is being established, we can conclude that the Autonomic Nervous System functions at a subconscious level, controlling the visceral functions that do not require conscious thought.

Despite this, some organs can also be controlled consciously, such as the lungs and bladder. Other visceral functions such as heart rate, digestion, and even ocular responses, are not able to be controlled consciously.

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What is commensalism

Answers

Answer:

an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Explanation:

A relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter

example - one organism using another as a means of transportation

The production of orchids by cutting is an example of.

Answers

The production of orchids by cutting is an example of vegetative propagation.

There are two methods of growing orchid trees i.e. through seed as well as from vegetative part. Most of the farmers grow orchids plants through vegetative propagation because it takes less time to reach maturity while on the other hand, growing orchids through seed takes more time.

So that's why the farmer prefers vegetative propagation as compared to seed so we can conclude that the production of orchids by cutting is an example of vegetative propagation.

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What is Alternation of generation

Answers

Answer:

Alternation of generations is the type of life cycle that occurs in those plants and algae in the Archaeplastida and the Heterokontophyta that have distinct haploid sexual and diploid asexual stages.

Explanation:

The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one tho two sentences, explain whether or not the reaction is balanced.

Answers

The equation is balanced because the mass and charge are equal on both sides of the reaction equation.

In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.

The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.

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the green pigment that traps the energy of sunlight for photosynthesis is

Answers

Answer:

The green pigment that traps the energy of sunlight for photosynthesis is called chlorophyll.

Answer:

chlorophyl

Explanation:

yea i learned this is science last year

Which one of the following parasites affect all domestic animals?
A.Ticks. B. Mites
C. Tsetse fly D. Fleas​

Answers

Answer:

D fleas affect all animals

Answer:

D

Explanation:

FLEA THE NAME ORDER IS SIPHONAPTERA

PLEASE HELP !!!!
What are their chances of having a child that has A+ blood?

Answers

Answer:

I think it must be 25%

Explanation:

Not sure how to explain

Answer:

3 in 8 people

Explanation:

If you have type A blood, your parents had one of the following possible combinations of blood types: AB and AB. AB and B. AB and A.

what is the thickest and longest nerve in the human body

Answers

Answer:

It's your sciatic nerve.

PLEASE HELP ME


Amplify Science lesson 2.7 activity 3

Answers

Answer: Elisa has diabetes.

Explanation: Elisa has diabetes. I know this because she is constantly tired which is a huge symptom of low blood sugar which is what people with diabetes have. Therefore if she has such a huge sympto of it that maker her very likely to have diabetes. Second of all she is getting enough sleep and trying to eat the right foods lately but it doesnt seem to be helping. This shows that its not something she’s doing and since these things dont necessarily cure diabetes it’s likely that she has diabetes and needs to adjust her diet to help her condition.

The brain changes which contribute to addiction occur in parts of the brain called the;.

Answers

Answer:

basal ganglia, the extended amygdala, and the prefrontal cortex

Explanation:

Help meeeeeee lzzzzzz

Answers

Answer:

Wrong category

Explanation:

Explain how pollution from one location
can affect the environment far away from the
source of the pollution

Answers

Answer:

Air quality is affected by natural processes. Wind can move pollutants from their source to far-away locations. It can still spread and harm living creatures and destroy their environments.

Explanation:

Air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.

What is Pollution?

Pollution is defined as the introduction of harmful materials into the environment where the harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash which can also be created by human activity, such as waste or runoff produced by factories. Pollutants harm the quality of air, water and land.

Many things produce pollution such as cars spewing pollutants from their exhaust pipes. Burning coal to generate electricity pollutes the air. Industries and homes generate waste and sewage that can pollute land and water. Pesticides which is chemical poisons used to kill weeds and insects which is seep into waterways and harm wildlife.

Thus, air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.

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#SPJ2

Hi can someone plss help me with this!!

Answers

Explanation:

4. evaporates , ocean

8. transpiration,

9. acid rain

The diagram displays a box of normal DNA. The second box displays mutated DNA. Compare the mutated DNA with the normal DNA and identify the type of mutation that has occurred.

A) Substitution mutation.
B) Chromosomal mutation.
C) Deletion mutation
D) Frameshift mutation.

Answers

In my guess try A. hope I tried my best if I’m wrong I am sorry for answering not correctly
I think it’s the answer is A

Before fossil fuel use became widespread, which of the following did people use for a. energy?
b. wind
c. water
d. animals
e. all of these

Answers

Answer: im not 100% but i think its E all

Explanation:

which process is typical of cancer?

-Replacement Of Damaged Lungs
-DNA Replication
-Cellular Death
-Uncontrolled Cell Division

Answers

Answer:

Uncontrolled cell division

(and I think that HIV/AIDS Does the opposite; slows cell division)

Answer:

uncontrolled cell division

Explanation:

Cancer cells are cells gone wrong — in other words, they no longer respond to many of the signals that control cellular growth and death. Cancer cells originate within tissues and, as they grow and divide, they diverge ever further from normalcy. Over time, these cells become increasingly resistant to the controls that maintain normal tissue — and as a result, they divide more rapidly than their progenitors and become less dependent on signals from other cells. Cancer cells even evade programmed cell death, despite the fact that their multiple abnormalities would normally make them prime targets for apoptosis. In the late stages of cancer, cells break through normal tissue boundaries and metastasize (spread) to new sites in the body.

Which of the following are elements? (Select all that apply.)
Na
H2O
C
KCl
Grade -5-

Answers

Answer:

Na & C

Explanation:

which lipid composition option has the least membrane fluidity?

Answers

Answer:

I think it would be saturated fatty acids

Determine the product formed when compound b is treated with each reagent.

Answers

Answer:

okay

Explanation:

56

Design a Solution Describe steps you could take to develop an effective method for copying San Francisco sourdough bread. Assume that you have access to sourdough starter and all the ingredients and equipment you need.

Answers

So let me try to repeat that: San Francisco sourdough tastes sour because of a unique local bacteria called lactobacillus San Francisco. That, and a yeast called candida milleri are the real secret to San Francisco sourdough bread. In other words, the secret ingredient is no secret at all: It's blowing in the wind.

Use the following information to answer the questions below. Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F1 Individuals have red, axial flowers. The genes for flower color and location assort independently If 1,000 F 2 Offspring resulted from the cross, approximately how many of them would you expect to have white, terminal flowers?A. 250 B. 1000 C. 100 D. 500 E. 25

Answers

Answer:

naur

Explanation:

The genes for flower color and location assort independently If 1,000 F 2 Offspring resulted from the cross, approximately how many of them would you expect to have white, terminal flowers?A. 250 B. 1000 C. 100 D. 500 E. 25

3 effects of pH change

Answers

1) variation in the UV spectra in batch culture. Mineral medium (MM) spectrum (dot), 4-CPh 120 mg L−1 (empty diamond), 4-CPh preozonated (filled triangle). Biodegradation of preozonated 4-CPh by a mixed microbial consortium at 30 h (empty square), 62 h (empty inverted triangle), 102 h (empty circle) of culture, respectively. (B) MM spectrum (dot), 2,4-DCPh 120 mg/L (empty diamond), 2,4-DCPh preozonated (filled triangle). Biodegradation of preozonated 2,4-DCPh by a mixed microbial consortium at 30 h (empty square), 72 h (empty inverted triangle), and 191 h of culture, respectively

2) The UV spectrum profiles of the 4-CPh are compared in Fig. 12.5A. The ozonated spectra show only the presence of organic acids (approximately 20% of the initial COD removal), found in the typical wavelength region for these compounds (210 nm)

3) One can note from this table that oxalic and formic acids are the main identified byproducts for all phenols. Also, all phenolic intermediates different from hydroquinone and cathecol were not detected, nor the organic acids that have been reported in other studies

In order to detect an odor, molecules must first dissolve in the ____________ before they bind to the receptor sites of the ____________ .

Answers

For an individual to detect an odor then molecules must first dissolve in the

mucus before they bind to the receptor sites of the olfactory hairs.

The nose is the organ responsible for smelling and it possesses key

components such as the mucus found in the olfactory epithelium and

receptors found in the olfactory hairs for processing the type of smell to the

brain.

When individuals inhale substances, they are dissolved in the mucus to aid

their binding to the receptors and their subsequent relay of the signal to the

brain for processing.

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Compare 41 Calories to 410 kcal (1 kcal = 1,000 calories). (1 point)
O 41 Calories is greater than 410 kcal
O 41 Calories is equal to 410 kcal
41 Calories is less than 410 kcal
It is not possible to compare these two values

Answers

From the calculation, we can deduce that 41 Calories is less than 410 kcal.

Given the following data:

Energy in calories = 41 CaloriesEnergy in kcal = 410 kcal

To compare 41 Calories to 410 kcal, we would simply convert the given values to the same base values:

Hence, we would make Calories the base value by converting the value in kcal to Calories as follows:

Conversion:

1000 Calories = 1 kcal

41 Calories = X kcal

Cross-multiplying, we have:

[tex]1000X =41\\\\X=\frac{41}{1000}[/tex]

X = 0.041 kcal.

From the calculation, we can deduce that 41 Calories is less than 410 kcal.

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Answer: 41 Calories is less than 410 kcal

Explanation: I took the test and passed

ayuda por favor doy corona​

Answers

Answer:

Mr est un jeune individu provenant de

One place in the us where tidal wouldn’t work

Answers

Answer:

Tidal wouldn’t work anywhere in the US

Explanation:

To use tidal you would have to be close to a great body of water the only US state that is even close is Georgia

How do animals cause erosion.

Answers

Answer:

Some animals weather rocks by scraping them as they feed. Other animals change Earth's surface by burrowing into it and moving material. Too many animals in one place can destroy most of the plants, leading to faster erosion.

If too many animals graze the same land area, the animals’ hooves pull plants out by their roots. A land is overgrazed if too many animals are living there. Grazing animals can cause erosion if they are allowed to overgraze and remove too much or all of the vegetation in a pasture.

Explanation:

Hope this helped :)

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