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Ecosystems 4th
Question | Answer |
---|---|
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 |