1. I have… organisms Who has… All living and nonliving things in an area that interact with each other? I have… ecosystem Who has… A nonliving part of an ecosystem? I have… Abiotic factor Who has… the living part of an ecosystem? I have… Biotic factor Who has… All the organisms of one species that live in an area at the same time?

2. I have… population Who has… The study of how living things and their organism interact? I have… ecology Who has… A person who studies how living things and their environment interact? I have… ecologist Who has… All the populations living in an area? I have… community Who has… The area in which an organism lives?

3. I have… habitat Who has… The role of an organism in its community? I have… niche Who has… The path that energy takes from producers to consumers to decomposers? I have… Food chain Who has… The overlapping food chains in an ecosystem? I have… Food web Who has… An animal that eats only producers?

4. I have… herbivore Who has… An animal that eats other animals? I have… carnivore Who has… Living things that hunt other living things for food? I have… predator Who has… A living thing that is hunted for food? I have… prey Who has… A meat eating animal that feeds on the remains of dead animals?

5. I have… scavenger Who has… An animal that eats both plants and animals? I have… omnivore Who has… Anything that controls the growth or survival of a population? I have… Limiting factor Who has… A sandy or rock biome, with little precipitation? I have… desert Who has… A cool forest biome of conifers in the upper hemisphere?

6. I have… taiga Who has… A large treeless plain in the arctic region where the ground is frozen? I have… tundra Who has… A hot biome near the equator, with much rainfall and a wide variety of life? I have… Tropical rainforest Who has… A forest biome with many kinds of trees that lose their leaves each autumn? I have… Deciduous forest Who has… A biome where grasses, not trees are the main plant life?

7. I have… grasslands Who has… A large ecosystem with its own kind of climate, soil, plants, and animals? I have… biome Who has… The type of relationship where one organism is helped and the other one is harmed? I have… Parasitism Who has… The type of relationship where both organisms benefit? I have… Mutualism Who has… The type of relationship where one organism is helped and the other is unaffected?

8. I have… commensalism Who has… What happens to the number of prey when the number of predators rises? I have… It decreases Who has… Any living thing that can carry out its life on its own? You are finished!