Question

population biology
a ______ is a group of organisms, all of the same species, that live in a specific area.
● ex: populations of birch trees, populations of cardinals, etc.
what is population density?
● the number of individuals per ______ or
volume
population growth
populations ____________________ grow indefinitely.
● populations will change over time
✗ some will become ____________________ and have increases followed by decreases.
✗ some will ______

Explanation:

1. A population is a group of organisms of the same species in a specific area.
2. Population density is the number of individuals per area or volume.
3. Populations cannot grow indefinitely due to limiting factors. Some populations fluctuate (increase - decrease), and some may become extinct.

Answer:

1. Population
2. Area
3. cannot; extinct; fluctuate