Organisms and Their Environment

Which is a biotic component of environment?

• Plants

• Animals

• Microorganisms

• All of these

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If your local environment begins to turn into a desert, what will most likely happen to the organisms in the environment?

• The populations of organisms currently existing in the environment will increase.

• The populations of organisms currently existing in the environment will not be affected.

• The new desert environment will be unable to support any populations of organisms.

• A different variety of organisms will be supported rather than the ones that currently exist.

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Which statement best describes the comparison of lake and ocean environments?

• The lake and ocean environments support the same organisms because they are both water and are made up of the same elements.

• The lake and ocean environments support different organisms because most freshwater organisms cannot live in saltwater.

• The lake and ocean environments support the same organisms, but they will look different because of the type of water.

• The lake and ocean environments support different organisms because ocean organisms are blocked by land from getting into lakes.

The more diverse an ecosystem is --

• the more threatened its populations are

• the more similar the species will be

• the more sustainable it is

• the fewer varieties of species are present

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What are TWO likely reasons why the striped skunk has a much greater population in the wild than the giant panda?

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An organism that breaks down the remains of dead plants or animals without need for internal digestion ​ (a)  

• decomposer

• composer

• producer

• prey

All the interacting members of a species in a single area.​ (a)  

• Population

• Overpopulation

• Impact

• Environment

In2011,firesinBastropCounty,Texaswerethemostdamaging wildfires in Texas history. The fire spread through the pine trees and scorched nearly 5,700 acres of Bastrop State Park. The majority of the Houston toad’s habitat was lost, and the Lost Pines Forest was greatly affected.

As ecological succession began, which of these most likely appeared in

the Bastrop forest area first?

• Shrubs and trees

• Newly developed topsoil

• Weeds and grasses

• Lichens on fallen trees

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What is the first thing to grow on rocks in Primary Succession?

• Moss

• Plants

• Lichen

• Trees

The Change in an Ecosystem to create Balance is called

• Photosynthesis

• Succession

• Homeostasis

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