Vocabulary
Critters
Environments
Miscellaneous
Experiments
100

An experiment where one and only one variable is changed. 

What is a controlled experiment?

100

The most shrimp were observed in cups that had this range of salt spoons.

What is 2-4 spoons?

100

Everything that surrounds and influences an organism.

What is an environment?

100

In a food chain, the energy starts with this nonliving factor.

What is the sun?


100

The two preferences we tested isopods for were...

What are moisture and brightness?

200

The amount of salt in water is called this.

Salinity

200

Mealworms molt so they can do this.

What is grow?

200

In an ecosystems, there are ________ between the organisms and with the nonliving factors.

What are interactions?

200

Moisture level is one example of an __________ __________.

What is an environmental factor.

200
These help take out the chemicals from animals' waste from the water in our fish tank.

What are the plants?

300

A pill bug leaves a sunny, dry patch of soil to find a dark, moist patch of soil. The dark, moist soil is its ______________ _____________.

What is preferred environment?

300

This group of critters likes moist or wet soil because of their gill-like structures.

What are isopods?

300

A snake is stalking a mouse and is about to gobble it up, when a hawk swoops down, snatches the mouse, and carries it away to eat. The snake and the hawk are _______________ for the same food.

What is competing?

300

These are two possible nonliving environmental factors in a terrarium.

What are soil and water?

What are rocks and nutrients?

What are air and soil?

300
A student asks the question “Do isopods prefer dark environments or light environments?” In order to test his question, which setup below should the student use?

What is B?

400

Another word for the jobs that an organism's body part does.

What are functions?

400

Mildly salty water (2 spoons) for brine shrimp would be their __________ environment.

What is optimum?

400

The arrows in a food chain and food web indicate the direction in which matter and _______ move.


What is energy?

400

Your eyes and ears, a beetle's antennae, and a snail's tentacles are all examples of ________ receptors.

What are sensory receptors?

400

A student conducts an experiment to test the food preferences of mealworms. He concludes that mealworms prefer rice flour over wheat bran. His classmate disagrees with him, and says that he had too many __________ in his experiment.


What are too many variables?

500

Oxygen that's dissolved in water is an example of a ____________ factor in an aquarium.

What is nonliving?

500

In a freshwater aquarium, snails can act as _________ by consuming pieces of uneaten food, feces, and other debris that would otherwise collect in the water.


What are decomposers?


500

In the food web below, if the frog population suddenly increased, which organisms would be most likely to decrease right away?

What are snails and grasshoppers?

500

These are the three different types of consumers. They are classified by whether they eat producers or consumers.


What are herbivores, carnivores, and omnivores?

500

A student studied brine shrimp hatching under a range of saltwater conditions. He organized his results on the graph you see here. What is the range of tolerance for hatching brine shrimp?

What is 3 to 7 spoons?

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