The first animals to invade land were
A. birds.
B. amphibians.
C. reptiles.
D. arthropods.
Answer: D
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What is the function of bile produced by the liver?
a. breaks down proteins in food passing through the colon b. breaks down carbohydrates in food within the stomach c. breaks down fat in food passing through the duodenum d. breaks down roughage in food stored in the sigmoid colon
In which of the following ways is biodiversity declining?
a. the genetic diversity component is declining b. the species diversity component is declining c. the ecosystem diversity component is declining d. biodiversity is declining in all regions worldwide e. all of these are ways in which biodiversity is declining
If a person gets a shot of epinephrine, he or she almost immediately feels the effects (e.g., increased heart and breathing rates). If the same person gets a shot of a steroid hormone such as cortisone, there is no immediate response
What is the reason for this difference?
Applications of CRISPER-Cas in biotechnology include all of the following EXCEPT ________
A) creating bioreactors to manufacture human proteins B) modulating epigenetic regulation C) engineering pigs that are resistance to PRRS D) increasing drought resistance of crops