Why is it better for a seed to germinate at a distance from the parent plant?
a. so it will not compete with the parent plant for nutrients from the soil
b. so it will not compete with the parent plant for sunlight
c. so it will not compete with the parent plant for water
d. all of these
D
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Fungi that absorb nutrients from decaying plant matter are called _____
A) saprobes B) mycorrhizae C) mushrooms D) yeasts E) molds
A fungal mycelium is a large accumulation of ________, which may appear dusty or fuzzy due to the presence of ________
A) coenocytes / conidia B) coenocytes / mycorrhizae C) hyphae / conidia D) hyphae / mycorrhizae
Hensen's node is located:a
in the walls of the archenteron. b. at the end of the primitive streak. c. on the outer side of the chorion. d. inside a blastomere. e. inside the neural groove
The higher the proportion of loci that are "fixed" in a population, the lower are that population's _____
A) nucleotide variability B) chromosome number C) average heterozygosity D) nucleotide variability and average heterozygosity