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Ecosystems 4th

ecosystems the way living and nonliving things interact in the environment
producers a living thing that makes its own food
consumers a living thing that eats other living things for food
decomposers an organism that breaks down wastes and remains of other organisms and add nutrients to the soil
carnivore an animal that eats other animals
herbivores an animal that eats plants
omnivores an animal that eats both plants and animals
food chains the transfer of energy and matter from one living thing to another by eating and being eaten
food web a system of overlapping food chains in which energy and matter flow through many branches
microorganism a living thing too small to be seen without a microscope
symbiosis the relationship between two different living things that live together and depend on each other
What is the main source of energy for most ecosystems? sunlight
How does energy flow between organisms animals get energy by eating or consuming plants or animals. Energy flows from sun, to plants (producers), to animals (consumers) and to decomposers
primary consumers Primary producers provide usable energy for living organisms. PRIMARY CONSUMERS (herbivores) eat primary producers .
Secondary consumers SECONDARY CONSUMERS (carnivores) eat the primary consumers
adaptation a body part or behavior that helps an animal meet its needs in its environment
Climate the average temperature and rainfall in an area over many years
what gas is released in the air by plants oxygen
How does camouflage help an animal it helps it blend in with its surroundings
photosynthesis the process that plants use to make food
population all the members of one species that live within an area of an ecosystem
community the different populations that interact with each other in the same area form.
competition two organisms of the same species Organisms of different species
What is the primary source of matter and energy in most food chains? plants
What show a flow of energy from producer to consumer? food chain
Name a producer plant
Animals use special behaviors to ____________ their territory defend
trait adaptation
organisms producers, consumers, decomposers
What is on the bottom of a food chain? producers
What is the difference between a primary consumer and a secondary consumer? A primary consumer eats plants that make food and a secondary consumer eats primary consumers.
Two animals live in the same environment and eat the same food, what exists between them? How do they survive? Competition...eating a variety of food, nocturnal
individual a single type of organism
What is an example of a decomposer? fungi, worms, bacteria
coral reef skeletons of tiny sea animals that pile up
fertilization Combining of a sperm cell and an egg cell
rainforest an ecosystem that has large amounts of precipitation and thick plant growth
understory an area of a rain forest below the canopy
desert an ecosystem that receives very little precipitation
seed dispersal the process of scattering plant seeds
canopy the top level of a rainforest
Created by: wwood