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Sofia Velasquez
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When did Wallace and Darwin go on their research expedition
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Octavio
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Which two organisms likely have the most similar cell structure?
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Cotton
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Which of the following colors of soil is the best for a wildlife habitat?
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Ayana Orozco
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Upon vigorous exercise, your heart rate increases to 200 beats per minute to supply sufficient oxygen to muscles. Which is responsible for this regulation of the heart rate? A. Semilunar valves

B. Sinoatrial node

C. Aorta
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Nataly Acevedo
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What are the two broad categories of fibrous connective tissue based on their relative abundance of fibers?
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Jabari
BiologyBiology
Which is not an example of intracellular communication?

A.

Ions are exchanged in a nerve cell stimulating other ion changes in that same cell.

B.

A chemical released in a cell stimulates another part of that same cell.

C.

A chemical release in a muscle cell causes the release of a second chemical in that same cell.

D.

A pheromone molecule in the air produced by one insect stimulates a reaction in a cell of another insect.
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Miranda Aguirre
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At what location do the three bones of the os coxae fuse?
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Sammy
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How many bells Mission San Jose have and what are they used for?
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Guest
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mport quotas and tariffs produce some common results. Which of the following is not one of those common results? A. Total surplus in the domestic country falls. B. Producer surplus in the domestic country increases. C. The domestic country experiences a deadweight loss. D. Revenue is raised for the domestic government.
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Rudy Cain
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How do glycolysis, pyruvate processing, the Krebs cycle, and the electron transport chain work together to provide energy for the cell?
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Buttercup
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Why do fleshy fruits often have seeds with very tough seed coats?
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Giles
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What will happen if two of the base pairs of the stand of the DNA are switched
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Clare
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Which process is applied to identify mutations or errors in dna molecules? a gel electrophoresis b recombinant dna technology c polymerase chain reaction d dna sequencing
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Olivia Huber
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Consider four species of conifers. species a and b are sister species. species c and d are also sister species. the clade containing species a and b is a sister to the clade containing species c and

d. not counting the root as a node, how many nodes would be found in a phylogenetic tree of species a, b, c, and d?
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Pablo Burns
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When plants use sunlight to make food, the energy of sunlight is
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