Systems Of Life Flashcards
What is a community?
A group of organisms of the same kind that live in a certain area.
What are ecosystems?
An ecosystem is a community of organisms and their environment.
What are consumers?
Organisms that eat plants or animals.
What are producers?
Living things which make their own food from the sun’s energy
What is the equation for photosynthesis?
Carbon dioxide + water + sunlight = Glucose + Oxygen
What are first order consumers?
Organisms that eat producers
What is a food web?
A number of food chains together showing what all living things in one area eat
What is the equation for respiration?
Glucose + Oxygen = Energy (ATP) + Carbon Dioxide
What is respiration?
The process of getting energy from food
What are second-order consumers?
Animals that eat animals that eat producers
What are scavengers?
Animals which eat the flesh and organs of dead animals
What is a food chain?
A sequence of living things in which each living thing is eaten by the next one.
What is chlorophyll?
The substance in plant cells which absorbs energy from sunlight.
Biotic factors are…
The living things in an ecosystem.
What does the scientific theory of Gaia state?
The Earth’s features and living things have developed together over a long period of time.