Since all land-dwelling animals utilize oxygen for respiration, does that make oxygen a limiting factor?
What will be an ideal response?
ANSWER: Even though all land-dwelling animals require oxygen, it is not considered a limiting factor
since it is in abundant supply.
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The first gap in the cell cycle (G1) corresponds to _____
A) normal growth and cell function B) the phase in which DNA is being replicated C) the beginning of mitosis D) the phase between DNA replication and the M phase
An instantaneous automatic response to a stimulus is a(n)
A. fixed action pattern. B. taxis. C. imprinting. D. learned behavior. E. reflex.
These are nonphotosynthetic plankton, including aquatic protozoa and tiny animals.
A. phytoplankton B. thermophiles C. zooplankton D. diatoms
What term is applied when two genes fail to assort independently, that is, they tend to segregate together during gamete formation?
A) tetrad analysis B) dominance and/or recessiveness C) linkage D) Mendelian inheritance E) discontinuous inheritance