“Germination” can refer to two different events:
A. the arrival of the pollen grain at the ovule, and the growth of the seedling from the seed.
B. the development of the flower, and the growth of the seedling from the seed.
C. the growth of the pollen tube into the embryo sac, and the growth of the seedling from the seed.
D. the development of the fruit from the ovary, and the growth of the seedling from the seed.
C. the growth of the pollen tube into the embryo sac, and the growth of the seedling from the seed.
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, gene swapping between two species is
A. impossible, but it happened frequently in the distant past. B. infrequent but possible; it happened more often in the distant past. C. much more frequent compared to in the distant past. D. only possible if they are in the same family of organisms, such as lions and tigers.
Despite great diversity, all vertebrates share which basic homeostatic mechanism(s)?
a. digestion only b. metabolism only c. respiration only d. digestion and metabolism e. digestion, metabolism and respiration
The type of photoreceptor that is more concentrated in the center of the retina, allows for color vision and responds to bright light is called a ________ cell.
Fill in the blank(s) with correct word
Which is the most appropriate disposal for a swab used to culture your throat during lab?
recycle bin sharps container normal trash receptacle biohazard bag