Show:
Cells
Ecosystem
Inferencing Science
Who would eat who
Apply what I know
100
Which is an example of a single celled organism? A. fish B. tree C. fungi D. human
What is C, fungi.
100
Which organism is a producer? A. deer B. spider C ladybug D. sunflower
What is D, sunflower.
100

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

A. tropical storms

B. increase in predators

  C. habitat loss

D. warmer temperatures

C. What is Habitat loss

100

The diagram shows a food web in an ecosystem.


The removal of which organism would result in the MOST damage to the ecosystem?

A

fox

B

rabbit

C

grasshopper

D

grass

What is D

grass

100

Which population is the primary cause of habitat reduction?

What is a human 

200
What is the main purpose of single celled organisms? A. to survive B. to reproduce C. to produce food for other organisms D. to work with other single celled organisms
What is A, to survive.
200
Which is most accurate in describing an estuary ecosystem? A. High salt levels keep the water clear of nutrients and proteins. B. Freshwater mixes with saltwater to provide a nutrient-rich environment. C. Animals and plants compete for food due to pollution from surrounding areas. D. Cold water mixes with saltwater to create a cooling effect that encourages growth.
What is B. Freshwater mixes with saltwater to provide a nutrient-rich environment.
200

How would the woodpecker population in a forest area most likely be affected if a housing development is built in that area?

A

They would produce more offspring.

B

They would change the color of their feathers.

C

They would experience a decrease in available food.

D

They would experience a decrease in competition.

What is C. 

They would experience a decrease in available food.

200

Which two organisms in the food chain shown below are carnivorous?


A

grass and mice

B

mice and snakes

C

hawks and grass

D

snakes and hawks


What is D

snakes and hawks

200

What would most likely happen in a forest ecosystem if dead plants and animals did not decompose?

What is the quality of the soil would decrease 

300
Which best describes a single celled organism? A. a small group of organisms B. a small organism with a variety of parts C. an organism that relies on other organisms to survive D. an organism that is able to carry out all its life processes
What is D, an organism that is able to carry out all its life processes.
300
A scientist took pictures of a deer, a black bear, and a squirrel in the wild. In which ecosystem did the scientist most likely take the pictures? A. estuary B deciduous forest C. grassland D.salt marsh
What is B deciduous forest.
300

Wood ducks build their nests in holes in trees near lakes. If some of the trees were removed from around the lake, how would the wood ducks be affected?

A

Wood ducks would become a new species.

B

Wood ducks would lay more eggs in each nest.

C

Wood ducks would increase their competition for nests.

D

Wood ducks would begin building their nests on the ground.

What is C

Wood ducks would increase their competition for nests.

300

A simple food chain includes hawks, lizards, and insects. Which will most likely happen to the lizard and hawk populations if a pesticide is sprayed to kill the insects, and the lizard and hawk populations cannot find other food in this ecosystem?

A

Both the lizard population and the hawk population will increase.

B

Both the lizard population and the hawk population will decrease.

C

The lizard population will increase, but the hawk population will decrease.

D

The lizard population will decrease, but the hawk population will increase.

What is B

Both the lizard population and the hawk population will decrease.

300

Which best explains why many kinds of plants and animals can live together in an ecosystem?

What is The plants and animals are all part of a food chain and depend on each other to live.

400
An organism has several major body systems that work together to allow the organism to survive. Which best describes this organism? A. It is a single-celled organism. B. It is a multi-celled organism. C. It is a simple organism.
What is B, multi-celled organism?
400
Which organism plays an important role in recycling nutrients back into the environment? A. bacteria B. algae C. wolf D. tree
What is a A, bacteria?
400

Mangrove trees are common in wetlands.


Which condition MOST likely keeps mangrove trees from growing in deserts?

A

The ground is too dry.

B

The winds are too strong.

C

The air gets too cold at night.

D

There is too much light during the day.


What is  A

The ground is too dry.

400

                                                                A squirrel gathering nuts helps trees

  A. grow 

  B. reproduce

  C. resist disease                             

  D. become stronger.    

What is reproduce (grow more trees) 

400

There are usually fewer plants growing on the floor of a deciduous forest than in the areas outside the forest. Which best describes this situation?

All plants need sunlight to grow, and tall trees block sunlight from reaching small plants in a deciduous forest.

500
Which best describes a difference between single-celled organisms and multicellular organisms? A. Single-celled organisms are simple, while multicellular organisms are complex. B. Single-celled organisms have many functions, while multicellular organisms have one function. C. Single-celled organisms can live without water, while multicellular organisms cannot live without water. D. Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on Earth.
What is A. Single-celled organisms are simple, while multicellular organisms are complex.
500
Tyler is classifying organisms according to their source of energy. Based on the food chain below, which organism would be considered a carnivore? sun ---maple leaf--ant--spider--bird--mushroom A. ant B. bird C. maple leaf
What is a bird?
500

Look at the food chain below.


Which way does energy flow in the food chain?A

from the grass to the Sun

B

from the owl to the mouse

C

from the mouse to the grass

D

from the grass to the mouse

What is D

from the grass to the mouse

500

An ecologist makes the following observations in her journal:                               

drinks at 7:00 a.m.
sleeps from 8:30 a.m. to 9:00 a.m.

eats at 10:00 a.m.
sleeps 11:00 a.m. until noon

Which is she describing?                               

A. the niche of an organism

B. the habitat of an organism

C. the community of an organism
D. the relationships between organisms

                                                       


    

What is A. the niche of an organism

500

How is a deer in a forest ecosystem most similar to a rabbit in the same ecosystem?

What is Both are consumers.

Consumer: is an organism that feeds on plants or other animals for energy.