click below
click below
Normal Size Small Size show me how
Biology Lab 9
Vocab
Term | Definition |
---|---|
population | a group of individuals that belong to the same species and live in the same region at the same time. |
growth rate | how size of population changes over time. |
age structure | number of individuals in different age groups. |
sex ratio | number of males vs number of females in a population ex- 2:1, "2 to 1", 2 males to every 1 female. |
birth rates | number of births in the population over time. |
death rates | number of deaths in the population over time. |
producers | plants (self-feeding, photosynthesis) |
herbivores | plant eaters |