Ohio Life Science Review

Which structures are found in every living cell?

• cell membrane and cytoplasm

• chloroplasts and mitochondria

• a cell wall and nucleus

• chloroplasts and cell wall

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Which organ system takes in oxygen and releases carbon dioxide?

• Chemical system

• Respiratory system

• Circulatory system

• Endocrine system

The digestive system converts food into usable

• nutrients

• muscles

• energy

Plants use the sunlight to make their own food. Therefore, plants are

• Producers, which produce energy for the rest of the ecosystem

• Consumers, consuming other living things in an ecosystem

• predators, top of the food chain

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Which organisms make energy available to all other organisms in a food chain?

• consumers

• decomposers

• producers

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Which of the following is an example of a predator?

• Wolf

• Owl

• Snail

• Plant

Abiotic or Biotic: An insect

• Abiotic

• Biotic

How many producers are in this food web?

• 1

• 2

• 3

• 4

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What Is natural selection?

• living things adapt to their environment to survive and produce more offspring

• Living things eat and hunt lesser creatures so they are not the one eaten

• The way natural works on its own

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Which of the following is a characteristic of all living organisms?

• They can move independently.

• They can reproduce.

• They have a nervous system.

• They can photosynthesize.

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