2013 Grade 8 Life Science questions

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What eventually happens to a species when the environment changes and the organisms do NOT adapt?

Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food?

Which sequence represents the correct levels of organization for multicellular organisms?

Herbivores obtain most of their energy by

Which process is a cause of variation in a species?

In which part of a plant cell does photosynthesis occur?

A biological community is made up of all the

The bacteria and fungi that break down the plant can animal materials and puts nutrients back in the soil are classified as