In streams flowing through dense forest, ____; therefore nutrients from organic detritus is particularly important

a. dissolved oxygen levels are high
b. dissolved oxygen are low
c. the water moves slowly
d. dense vegetation blocks light necessary for photosynthesis
e. photosynthetic organisms make up most of the life in these streams


ANSWER: d

Biology & Microbiology

You might also like to view...

Fertilization normally _____

A) reinstates diploidy B) follows gastrulation C) is required for parthenogenesis D) merges two diploid cells into one haploid cell E) precedes ovulation

Biology & Microbiology

The fact that cells of genetically uniform population do not have similar phenotypic attributes is called ________ heterogeneity.

A. population B. dissimilar C. quorum D. epigenetic

Biology & Microbiology

In the garden peas example above, a tall plant with purple flowers crossed with a tall plant with purple

flowers produces 3/4 tall purple flowers and 1/4 tall white flowers. What is the genotype of the parents? What will be an ideal response?

Biology & Microbiology

A sodium ion (Na+) has:

A) gained an electron B) lost an electron C) formed an anion D) a negative charge E) gained a proton

Biology & Microbiology