Which of the following gives rise to the
embryo during human development?
a. trophoblast
b. amnion
c. inner cell mass
d. chorion
e. placenta
C
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A female aphid reproduces parthenogenetically to create a colony of 10 clones of herself. Five of these individuals become "soldiers" and do not reproduce; instead, they defend the other five reproductive individuals from predatory insects
Consider a single soldier and a single reproductive female. From the soldier's perspective, each of that reproductive female's offspring are genetically equivalent to the soldier's own: A. siblings. B. offspring. C. nieces/nephews. D. first cousins. E. grandchildren.
Why do the boreal forests see so little growth of smaller plant life on the forest floor?
a. They have a very short growth season and it is too cold the whole year for plants to grow. b. The conifer trees block out the light making the forest floor too dark for plant life to survive. c. Conifers do not drop their needles as often as leaved trees, and the needles decompose slowly so the soil is poor in nitrogen from lack of decomposed matter. d. There is not enough rainfall to support anything other than the trees in the boreal forest.
The total resources a population consumes and the wastes it produces is its ____
a. ecological footprint b. vital capacity
c. carrying capacity d. non-renewable resources e. limiting factor
Know oxidation involves loss - so what is oxidized in the body
What will be an ideal response?