Which groups of organisms harvest their energy directly from the environment?
a. Wolves
b. Heterotrophs
c. Autotrophs
d. Deer
e. Rabbits
c
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You find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede
You take the animal to a university where a myriapodologist quickly tells you that you have found a centipede. Which of the following may have allowed her to make this distinction? A) segmentation B) poisonous fangs C) the total number of legs D) egg-laying E) molting
The highest concentration of cones is in the:
a. fovea b. blind spot c. sclera d. ommatidium e. choroid
What is similar about G protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs)?
A. Both are directly bound to G proteins. B. Both bind to hydrophobic ligands. C. Both are activated by autophosphorylation. D. Both can activate phospholipase C. E. Both are enzymes.
Insects frequently contain bacteria in their cytoplasm, and these bacteria form a mutualistic association with their host.
Answer the following statement true (T) or false (F)