If most of the individuals of a human population are in their pre-reproductive years, you would expect the population size to ________ after 20 years
A) stay the same
B) increase
C) decrease
D) decrease and then stabilize
Answer: B
Biology & Microbiology
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Potassium deficiency in plants occurs when plants grow on light, sandy soils and cannot obtain enough potassium ions. Such plants are deficient in: (check all that apply)
_____ an essential element. _____ a macronutrient. _____ a micronutrient. _____ a limiting factor.
Biology & Microbiology
Give an example of exaptation in humans? What will be an ideal response?
Biology & Microbiology
__________ is the conversion of grassland or woodland to desertlike conditions. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
________ are found in soft-bodied invertebrates, such as earthworms and jellyfish.
A. Exoskeletons B. Endoskeletons C. Hydraulic skeletons D. None of these is correct.
Biology & Microbiology