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Leslie
Plants have specialized structures that perform their necessary life functions. What function is performed by the xylem? a. food transport c. water transport b. heat production d. waste transport
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Morgan Underwood
A V-shaped valley, like the one shown, is usually created by flowing water, like a river. Sediment is pulled away from the walls, or sides, and carried downstream by the river. Which statement best explains where this sediment is deposited? A) The sediment usually flows across to the wall opposite of where it was removed. B) The sediment deposits on the first available shore along the path of the river. C) Sediment is deposited where the water's speed becomes too weak to carry it any farther. D) Sediment continues to flow with the river until it reaches a larger body of water, like a river.
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Guest
What should be done with dishware before washing it in a dishwasher?
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Jenny Wall
Any hybrid organism is?
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Carolyn
Which is the likely cause of the current increase in rates of extinction?

an increase in predator populations

a decrease in diseases

an increase in the human population

an increase in natural disasters
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Gideon Sampson
Which often is a result from great variations in a habitats abiotic conditions
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Gunner Mcdaniel
Give an example of spinal reflex and explain how the nervous system functions in this reflex action
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Skinny Minny
in human almond shaped eyes (A) dominate to round shaped (a) recessive. Cross a woman who is homozygous dominant with a man who is a homozygous recessive. Determine the phenotype and genoype ratio their offspring. Use a Punnett Square to show answer
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Tate
What two minerals can be most useful as grains on sand paper
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Jewel Zimmerman
The structure joining the two hemispheres of the brain is the:
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Abigail
A haploid cell has 20 chromosomes. How many chromosomes does the diploid cell of that organism have?
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Alexus
A retrotranspon known as LINE1 is about 1000 base pairs in length and is present in the human genome in about 516,000 copies. Approximately what percentage of the human genome is accounted for by this transposon?

a. 0.0017%

b. 0.017%

c. 0.17%

d. 1.7%

e. 17%
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Matteo
Blood type is a type of gene where both alleles can be expressed. Which statement best explains a person with AB blood type.?

A) There is a dominant relationship between alleles.

B) There is a codominant relationship between alleles.

C) There is an incomplete dominance between alleles.

D) The trait is polygenetic in nature.
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Guadalupe
Should women who are not pregnant and men be concerned about Zika infection? Explain your response.
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Griffin Larson
What are some of the difficulties with measuring the volume of a gas? Select all that apply.

A. it could be soluble in liquid

B. it can be difficult to contain.

C. it varies depending on the container it is in

D. it varies based on its mass
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