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Biology

Fossilized evidence of Earth's first forms of life would consist of

a. vertebrates from the Precambrian

b. invertebrates from the Precambrian

c. eukaryotes from the Precambrian

d. prokaryotes from the Precambrian

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Addyson Elliott

Biology

A) Chromosomes pair in step 2.

B) Chromatids separate in step 5.

C) Chromosomes are replicated in step 1.

D) Chromosomes exchange genetic material in step 3.

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Catherine Fernandez

Biology

The climate with which the monsoon forest is best associated with is

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Biology

What is the temp of the suns middle most layer

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Biology

What's the difference between an endoskeleton and an exoskeleton

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Biology

In pea plants, the gene for the color of the seed has two alleles. In the Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green. Punnett Square showing a grid that is blank with 4 empty boxes, two columns and two rows. The female parent plant across the horizontal side, top, of the grid indicates a yellow phenotype and a genotype of Yy. The male parent plant along the vertical side of the grid indicates a yellow phenotype and a genotype of YY. Based on the Punnett square, what percentage of offspring would have genotype YY? 0% 25% 50% 100%

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Biology

Kidney dialysis relies on diffusion of various dissolved waste molecules (solutes) across a non-living semipermeable membrane. If the concentration of solutes in the blood increases over time before dialysis is administered, what will happen to the rate of dialysis when it occurs?

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Biology

Organelles at which amino acids are hooked together to make proteins

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Biology

What is the basic unit of structure and function in all living things?

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Biology

What role did social media play in the outbreak? Contagion movie

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Giovanny Ramirez

Biology

Identify which statement is NOT correct about the eyes of mammals.

A) Mammals have two eyelids, one upper and one lower eyelid.

B) Mammal eyes have a lens which serves to focus the light.

C) The majority of mammals' have eyes that can differentiate between colors D) Eyes are one of primary senses of mammals which provides a way of perceiving the world.

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Juliette Brennan

Biology

What's the relationship between humans and climate?

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Biology

Linnaeus's significant development to modern taxonomy is

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Biology

What does the term natural selection mean

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Biology

Is the earth's heat budget balanced?

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