A sixth grade class is trying to determine if limiting the amount of sunlight will affect the number of earthworms living in their school's mircohabitat. Why would this be considered an experimental investigation?

It is a controlled test of a hypothesis

It is an observation about nature.

It is a problem that can be solved

It is a way to prove something is fact.

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

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

The population 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 t.o support any populations of organisms

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

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

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 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 to lakes.

The Texas Mock Orange is a type of flowering plant that is only found growing naturally in Texas. Which of the following is the most likely reason that they only grow naturally in Texas?

The type and amount of water the Texas Mock Orange needs is not found in other environments.

The type of animals that eat Texas Mock Orange are not found in other environments.

The amount of sunlight the Texas Mock Orange needs is not found in other environments.

The types of organisms that pollinate and help the Texas Mock Orange reproduce are not found in other environments.

Based on the information above, what is the best explanation for the different variety of organisms in the two microhabitats?

Conditions for survival are different in each location

The rotting log and grassy area are in the different biomes.

The rotting log has predators while the grassy area does not

There is more space in the rotting log than in the grassy area.

A kangaroo rat lives in the desert. Which of the following is an adaptation that helps the animal to survive in the desert ecosystem? The kangaroo rat ______

burrows underground during the day

Areas that receive little rainfall and have extreme high and low temperatures will most likely have organisms that ______

are adapted for aquatic environments

Which of these would most likely occur if a wildfire destroyed all the plants in the lowest level of the ecosystem.

Doves would gave to have to a different area to find food

Vireos would begin to nest on the ground

Hawks would begin to hunt for animal in the middle level

Cardinals would move to above tree level and begin competing with hawks.

Use the above information to answer this question. The dolomite soil keeps the roots of the bristlecone pines cool by _____

reflecting the heat energy from the soil around the roots

absorbing chemical energy from the roots

transforming heat energy into chemical energy

transferring thermal energy from the soil to the roots

Science Tek

Quiz

•

Biology

•

7th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-1, MS-LS1-5, MS-LS2-2

+3

Standards-aligned

Charles Martinez

FREE Resource

Desert

Grassland

Which of the following biomes has very cold winters, warm and rainy summers and is dominated by coniferous trees?

Tropical Rainforest

Taiga

Tundra

Desert

Grassland

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth is covered by what type of biome more than any other?

Taiga

Grassland

Tundra

Marine

Desert

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Which type of biome consists of moderate precipitation, cold and warm summers, and trees that drop their leaves?

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