Homozygous dominant is indicated by
What will be an ideal response?
two capital letters
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The breakdown of ____ into cellular energy can involve glycolysis
a. carbohydrates b. fats c. proteins d. carbohydrates and fats e. fats and proteins
When a cell grows, it must produce more plasma membrane material. How does the cell do this?
What will be an ideal response?
Following their respective breeding seasons, several species of hummingbirds occur at the same locations in North America and several hummingbird flowers bloom simultaneously in these habitats. These flowers seem to have converged to a common morphology and color. Birds are most visually sensitive to the color red. Hummingbird flowers are pollinated by hummingbirds. Which of the following features of these flowers would indicate they have coevolved with hummingbirds? (Check all that apply)
A. flowers produce a high volume of nectar and sugar B. flowers are low to the ground C. long tubular flowers D. blooming time of the flowers coincides with the arrival of the hummingbirds E. flowers are colored violet and blue
A male cricket creates sounds that we call "chirps" by rubbing one wing against the other. When is this considered an act of communication?
A. Every time the cricket produces a chirp regardless of whether the signal is received by an organism. B. Every time a member of its own species hears a chirp regardless of its response to the signal. C. Every time a female member of its species hears a chirp and changes her behavior in response to the signal. D. Every time the chirp is heard by some other organism that changes its behavior in response to the signal.