The term for plankton that lives near the surface is:
a. holoplankton
b. neustron.
c. nekton.
d. tripton.
b
You might also like to view...
What are the main causes of biodiversity loss?
A. Invasive species, pollution, and climate change B. Habitat destruction, overharvesting, and invasive species C. Habitat destruction, overharvesting, invasive species, pollution, and climate change D. Habitat destruction, invasive species, and climate change
Which one of the following statements does not accurately describe segregation of the sex chromosomes?
A. In human males, segregation of the X chromosome from the Y chromosome occurs during anaphase I of meiosis. B. In humans, half of the fertilized eggs are expected to be male and half are expected to be female; this 1:1 ratio is characteristic of Mendelian segregation. C. The secondary sex ratio of males to females at birth usually shows a slight excess of males. D. In humans, the sex at each birth is not a random process because there are often large families with either all girls or all boys. E. Females are slightly less likely to survive from conception to birth, but males are slightly less likely to survive from birth to reproductive maturity.
An advantage of sexual reproduction and meiosis is that
A) production of gametes generates energy. B) organisms remain stable in a changing environment. C) it increases genetic diversity. D) many offspring are produced in a short period of time.
The muscle at the distal end of the stomach (at the entrance to the duodenum):
What will be an ideal response?