Which part of the seed is responsible for providing nutrition to the embryo?
A. Seed coat
B. Integument
C. Endosperm
D. Procambium
E. Cotelydons
Answer: C
Biology & Microbiology
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Based on the above information, in the early mornings when the bumblebee heats its body via
metabolic processes, it would be considered a(n) __________ and thus will have __________ oxygen demands.
a. ectotherm; higher b. endotherm; higher c. ectotherm; lower d. endotherm; lower
Biology & Microbiology
Which are the thinnest blood vessels?
A. Capillaries B. Arterioles C. Venules D. Bronchioles
Biology & Microbiology
Describe how phytochrome is used to determine plant spacing.
What will be an ideal response?
Biology & Microbiology
The idea that evolutionary change is slow and continuous is BEST described as:
a. microevolution b. geographic isolation c. gradual change d. speciation e. punctuated equilibrium
Biology & Microbiology