Organisms and Environment

If an owl eats a rat and the rat eats seeds, what is the owl in the energy pyramid?

• scavenger

• 1st level consumer

• 2nd level consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3

How does the energy available change from one level to the next as you move up in an energy pyramid?

• it stays the same

• 90% is passed on

• 10% is passed on

• not enough information

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

___ are the first organisms to colonize an area and begin the process of ecological succession.

• foundational organisms

• introductory organisms

• primary organisms

• pioneer species

What is an example of an area that is likely to undergo primary succession?

• Glaciers melt and leave exposed rock

• Plants die from drought and decompose

• Land is bulldozed and soil remains

What is the main difference between primary and secondary ecological succession?

• Primary begins WITHOUT soil; Secondary begins WITH soil

• Primary is the first state and secondary is the second stage

• Primary builds plant community; secondary builds animal community

• Primary begins WITH soil; Secondary begins WITHOUT soil

Biotic and abiotic elements in an ecosystem have a relationship with each other that is mutually beneficial. This relationship is also called a(n):

• interaction

• relationship

• friendship

• predator and prey relationship

Tags

NGSS.MS-LS2-2

The three roles of biotic elements in an ecosystem are:

• predator, prey, consumer

• producer, consumer, decomposer

• mother, father, decomposer

• none of the above

Tags

NGSS.MS-LS2-4

Which of the follow shows the flow of energy in a ecosystem?

• food chain

• organism path

• the sun

• producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A garden was cleared out, but had to be left alone for a month. What would you expect to see?

• lichens and mosses

• grasses and weeds

• a fully blossomed garden

• bushes and small trees

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Primary succession occurs in an area that has:

• soil

• no soil

• some soil

• none of these