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Mila Beck
Which blood component makes up 41% of the blood's volume?
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Guest
Which is the process used by the cell to rid itself of unwanted, large substances?
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Braxton Harris
Which characteristics accurately describe earthworms? Check all that apply.

segmented body containing setae

open circulatory system

gas exchange through gills

complex nervous system

sexual reproduction
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Hillary Guerra
One hypothesis for why obesity rates are high is the energy-thrifty gene hypothesis. According to this hypothesis, how did the environment our ancestors lived in differ from our present-day environmental in term s of food?
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Fisher Ward
What term did mendel used to signify his true breeding first generation?
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Zackary Jennings
This is the force of attraction between an object and the earth due to gravity.
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Jacoby Garza
What is the scientific name of a flathead bullhead (catfish) ?
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Ezekiel Delgado
What element does this atom belong to?

A. boron

B. lithium

C. sodium

D. More information is needed
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Frazier
The competitive exclusion principle states that A) two species cannot coexist in the same habitat. B) competition between two species always causes extinction or emigration of one species. C) competition in a population promotes survival of the best-adapted individuals. D) two species with the exact same niche cannot coexist in a community. E) species that compete usually coevolve.
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Kaylah Santiago
The fact that sand gets very hot but also cools quickly illustrates which of the following?

A. the sun heats everything equally

B. being near water makes san cold

C. heating and cooling are similar processes

D. Substances have different abilities to retain heat
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Kyle Collins
Milk is a good source of calcium but a poor source of iron. meat is a good source of iron but a poor source of
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Castillo
The standard unit of measurment for volume is the

liter

teaspoon

tablespoon

milliliter
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Trevon Garrison
Under Weber's law, we'll notice a stimulus difference such that it will be a constant proportion of the intensity of the initial stimulus. Thus, for weight, we'll notice a one-ounce difference in a weight of 50 ounces. Weber's law applies most directly to the concept of

a. perceived stimulus.

b. absolute threshold.

c. sensory adaptation.

d. difference threshold.
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Georgia Novak
Unlike the cell membrane, the cell wall is
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Myles Schultz
Which of the following is a complete list of the main types of chromosomal mutations? (A) inversion, duplication, insertion, translocation (b) deletion, duplication, inversion, translocation (c) deletion l, duplication l, inversion, translocation (d) inversion, translocation, substitution l, insertion
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