Ecosystems

What is the smallest level of organization within an ecosystem?

• population

• community

• ecosystem

• organism

Tags

NGSS.MS-LS1-5

What is an example of an ecosystem?

• a deer

• a group of deers, the sun, rabbits, the lake, the soil, a bird, a tree

• a group of deers

• a group of deers, rabbits, a bird, and a tree

Which of the following is an example of the community level of organization?

• a school of fish

• a school of fish, the ocean, a shark, the dirt, and seaweed

• a school of fish, a shark, and seaweed

• a fish

A student makes the following observations:

*trees

*plants

*mosquitos

*sharks

*manatees

*lake

*sun

*63 degrees

*rainy

What is the level of organization they observed?

• organism

• Community

• ecosystem

• population

Which of the following groups are abiotic?

• bird, fish, tree, frog

• shark, manatee, fly, lizard

• water, shark, tree, soil

• water, sun, 98 degrees, soil

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

LIVING things in an ecosystem ….

• biotic

• abiotic

• ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS1-5

All of the different populations that live in a specific area ….

• ecosystem

• habitat

• community

Tags

NGSS.MS-LS2-2

Why is the ecosystem important?

• It can sustain overpopulation.

• It sustains the balance of life in nature.

• It allows humans to exploit natural resources.

• It can absorb all the toxins humans dispose of.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which of the following would have a negative impact on an ecosystem

• constructing highways
• planting trees
• recycling paper

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

A fire destroys all of the trees and plants in the forest. How might this affect the birds in the area?

• The birds will plant seeds and grow new trees.

• The birds will have more food to eat.

• The birds will plant seeds and grow new trees.

• The birds will have no place to build their homes.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1