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Chapter 21 ecology

Vocabulary

QuestionAnswer
What is it to act upon or with something? Interact
What is the study of the interactions among living things and the nonliving things in their environment? Ecology
What is it to act upon or with something? Interact
What is the study of the interactions among living things and the nonliving things in their environment? Ecology
What do you call a place that an organism lives in? Habitat
What is a group of organisms of the same species that lives in the same area called? Population
What does biotic mean? Living
What do you call abiotic? Nonliving
What is a group of different populations that live in the same area called? Community
What is the interactions among the populations of a community and the nonliving things in their environment called? Ecosystem
What is the number of individuals that an environment can support called? Carrying capacity
What is a group of different populations that live in the same area called? Community
What is the process by which a community changes over time? Succession
What is the number of individuals that an environment can support called? Carrying capacity
What is the process by which a community changes over time? Succession
What is a community that changes little over time called? Climax community
When you add anything to the environment that is harmful to living things what do you call this? Pollution
What is acid rain? Rain that is caused by pollution and is harmful to organisms because it is acidic.
If their are fewer of a species than there used to be what is this called? Threatened
If their are almost no animals left of a certain species what is this called? Endangered
If all the members of a species are dead what is that called? Extinct
What is an ecosystem found over a large geographic area called? Biome
What is a thing that an organism uses to live? Resource
What are resources that are replaced by nature called? Renewable resource
What are resources that cannot be replaced called? Nonrenewable
What are fossil fuels? Fuels formed millions of years ago from the remains of plants and animals.
What is the part of earth where living things can exist? Biosphere
What is a food chain? The feeding order of organisms in a community.
What do you call a organism that makes its own food? Producer
What is a consumer? An organism that feeds on other organisms.
What do you call a consumer that eats both plants and animals? Omnivore
What's the pyramid of numbers? A diagram that compares the sizes of populations at different levels of a food chain.
What is a food web? All the food chains in a community that are linked to one another.
What is a energy pyrimid? A diagram that compares the amounts of energy available to the populations at different levels of a food chain.
Created by: Patrick Dotson