Unit 4 Biology

The number of organisms per unit area.

• spatial distribution

• population density

• abiotic factors

How many types of spatial distribution are there?

• 4

• 3

• 2

What are the 3 types of spatial distribution?

If a certain type of bird only lives on 2 islands in Hawaii, would this be considered a limited population range?

• yes

• no

Density independent factors are

• a factor in the environment that depends on the number of members in a population per unit area

• factors that do not depend on the number of members in a population per unit area

Density dependent factors are

• a factor in the environment that depends on the number of members in a population per unit area

• a factor in the environment that does not depend on the number of members in a population per unit area

Tags

NGSS.MS-LS2-2

What is PGR?

Tags

NGSS.MS-LS1-5

What does emigration mean?

• the number of individuals moving into a population

• the number of individuals moving away from a population

What does immigration mean?

• the number of individuals moving into a population

• the number of individuals moving away from a population

The maximum number of individuals in a species that an environment can support.

• immigration

• population density

• carrying capacity