Unit 6 Final Questions Comprehension Check

Match it! Select the correct answer from the pull down...Good luck!

chemical reaction in plants that converts solar energy into chemical energy; carbon dioxide enters through plant leaves and reacts with sunlight to produce sugar and oxygen

the gradual process by which ecosystems change and develop over time. Nothing remains the same and habitats are constantly changing.

an organism that eats only animals

a natural process that occurs in an aging lake or pond as it gradually builds up its concentration of plant nutrients

an organism that eats other organisms or organic matter

the number and variety of species that are present in an area

an organism that can make its own food by using energy from its surroundings

a green pigment that captures light energy for photosynthesis