Openscied Ecosystem Dynamics

Pollen in flowers is a source of food for bees. On the other hand, bees are a means of pollination for flowers. What type of interaction is this?

• mutualism

• predator-prey

• interspecific competition

• intraspecific competition

Tags

NGSS.MS-LS2-2

Which of the following is a biotic factor in a forest ecosystem?

• temperature

• precipitation

• soil nutrients

• trees

Decomposers are important because they...

• break down dead animals tissues

• break down dead plant tissues

• recycle nutrients back into the soil

• all of the above

Tags

NGSS.MS-LS2-3

Which one is this?

Shows one pathway of energy flow in an ecosystem?

• food chain

• food web

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A community of interacting organisms and their environment.

• plantation

• ecosystem

• farm

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

NGSS.MS-LS2-2

What happens when palm oil numbers increase (when more palm oil is being used) (Lesson 1)

• Orangutan and tiger populations decrease

• Orangutan and tiger populations increase

• Orangutan and tiger populations remain stable (the same)

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Some plants and animals are still around despite the changes, but others have disappeared from the area, (Lesson 5)

• True

• False

Tags

NGSS.MS-LS2-4

In the simulation experiment from lesson 8, what was the independent variable?

• The number of orangutans

• The percentage of fruit trees

• The amount of energy gained

In the simulation experiment from lesson 8, what changed dependent on the percentage of fruit trees?

• The orangutans' energy

• The number of orangutans

• The amount of available space

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Organisms that reside together in an area

• Population

• Habitat

• Species