Ecosystems & Interactions

Choose ALL of the following that are examples of a population.

• African elephants in the savannah.

• People on Earth.

• Dandelions in a person's yard.

• All the trees in Wilder Park.

• Every fish in a pond.

What number represents the carrying capacity in Figure 2?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Use Figure 2. If left unchecked, a population can crash. What number represents that possibility?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is level A?

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-1

What is level B?

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is level C?

• organism

• population

• community

• ecosystem

What is level D?

• organism

• population

• community

• ecosystem

A ___ is a group of organisms that can mate and produce offspring that can also mate and produce offspring.

• biome

• population

• niche

• species

The specific role or job an organism has in its habitat is its ___. 

• limiting factor

• carrying capacity

• niche

• species

A way to estimate the size of a population is to count small parts of a population by randomly choosing the areas. This is called ___.

• hunting

• mark and release

• random sampling

• distance sampling