Plant roots have extensions called root hairs. These root hairs are important in the homeostasis of the plan

Answer: root hairs increase the surface area of the roots for nutrient and water absorption

Explanation:

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The Diagram below shows four layers of Earth

In which of these layers does hot material move upwards and cool material sink downwards?

Layer B (Outer Core)

Layer D (Crust)

Layer C (Mantle)

Layer A (Inner Core)

2.
reproduction produces offspring with a mixture of the parent's traits.
a. Sexual
b. Asexual
C. Mixture
d. Budding

The cell cycle is important to the growth of organisms. This is because the cell cycle allows an organism to
A. increase its number of cells

B. change its genetic material

C. stop unnecessary functions

D. protect itself from certain cancers

12. The respiratory system includes the lungs, what level of body organization are the lungs
a. Tissue
b. Organ
c. Organ System
d. Cells

Convection in the troposphere causes
•wind •ocean currents •both wind and ocean currents •neither wind nor ocean

list four different cells found in man and give one function of each.​

which is best describes a predator animal?

What are the three parts of modern cell theory. Choose all that apply.



A.) The cell is the smallest living unit in organisms


B.) All cells come from other pre-existing cells


C.) All living things are made of cells


D.) All organisms are multicellular

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Neurons are categorized by the
A
direction in which they carry impulses.

B
amount of metabolic activity that takes place.

C
number of dendrites that branch out.

D
number of impulses that they carry.

Receptors: A) Specialized chemicals that receive information B) Specialized heart cells that receive information C) Specialized hormones that receive information D) specialized nerve cells that receive information

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what particle travels in an electromagnetic wave?
proton
electron
neutron
photon

how are petrified remians formed​

Ocean warming is caused by the increase in greenhouse gases in the atmosphere. Which of these are effects of ocean warming? Choose all that apply.
coral bleaching
increasing marine phytoplankton
oxygen depletion
increases to ocean pH
decreasing sea level
increased ocean acidity

How much of Earth's water is located in the oceans?
O A. 70%
OB. 80%
C. 55%
D. 95%

27)
Desertification is the process of converting arable forests or grasslands into unusable land that lacks fertile soil and sufficient
moisture. Climate change can contribute to desertification of land across the globe. Each of these is an example of climate change
leading to desertification EXCEPT
A)
Higher temperatures on a global scale lead to higher levels of evaporation
and less moisture in soils.
B)
Higher evaporation can lead to soil salinity levels increasing in certain
areas of the globe.
C)
More frequent droughts in Southern Europe and other areas will reduce the
soil content
D)
Increased temperatures will decrease the growth of plants on a global
scale.

PLS HELP ASAP
Which of the following is not true about salt lakes?
A) The water that flows in contains salt or minerals.
B) They have only outflows to other water bodies but in most cases no inflows.
C) There is no outflow to other bodies.
D) Salt is left behind after evaporation.

Can someone define gradualism ? ( No big paragraphs just one sentence)

What were the first forms of life to exist on earth?
A. Plants
B. Fish
C. Humans
D. Bacteria
Reset Selection

Describe the relationship between electromagnetic waves and energy

DNA is one example of how genetics is used as evidence of evolution. Explain what this is and how it is used

put the following in order from longest wavelength to the shortest wavelength: ultraviolet, microwaves, x-rays, infrared

Why do some plants in the rainforest have bright flowers and grow close to the ground? O to repel any extra rainfall O to get as much sunlight on their leaves as possible O to keep animals and people away from them O to attract birds and insects for pollination​

Which RNA sequence is complementary to the sequence: TCTA
A. AGAT
B. AGAU
C. TCTA
D. ATCT

Global economic development has led to an increase in the use of fossil fuels
worldwide. Which of the following would be the best solution to this global
economic problem?
A. Encouraging developing countries to participate in global trade
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Creating an international seed bank to protect biodiversity
SUBMIT

Why do Americans create so much more waste than people in less-developed countries? Explain your answer.

1. Why does the immune system make memory cells?

2. Plants follow a reproduction pattern called alternate generations. Explain the two processes in alternate generations.

3. Describe the difference between sexual and asexual reproduction. Give at least one example organism for each type.

4. Many of your body’s responses operate off of either negative or positive feedback loops. When you are cold, you shiver. Explain why that happens.

boilogy ;factors that affect enzymetic activites​

Fill in the gap to complete the sentence below. A mineral is an essential nutrient that is needed in ____ amounts.