Other Biology Answers

The lymph nodes add in fighting infection from invading pathogens by:

Question 2 options:

producing and storing white cells,


circulating and diluting it,


absorbing it,


providing a physical barrier to slow its invasiveness



.

Annual flu shots work by:

Question 1 options:

increasing the volume of lymph,


increasing the number of white cells,


increasing the number of specific antibodies,


introducing a relatively innocuous virus to fight off a more dangerous virus.

Human population growth is related to the age structure of a given country. The age structure includes the following class:

Question 5 options:

pre-reproductive,


infant,


pre-menopausal,


elderly

Which environmental problem would mostly likely benefit from the use of a corridor:

Question 4 options:

air pollution,


water pollution,


fragmented habitat,


introduction of invasive species

Which characteristics would lead to a population being most likely to have a Type III survivorship curve:

Question 3 options:

early sexual maturity,


low death rate,


stable environment,


high infant mortality

In a classic case of [_______] the spraying of pesticide to kill mosquitoes led to the near extinction of the American bald eagle.

Question 2 options:

biological amplification,


predator-prey dynamics,


natural selection,


behavioral adaptation

If you hear that a community is experiencing light pollution, you would be concerned about the plants because:
Question 1 options:

herbivory will increase,


photosynthesis will speed up,


the photoperiod will be disrupted,


an excess of daylight will deplete their energy

when an animal cell is placed in a hypertonic solution and water enters via osmosis, the volume of the cell increases until it bursts. this does not happen to plant cells because..?

How water from deep sea is brought coastal surface?

Why coniferous forests are so called?