Unit 4- Relationships Among Organisms Flashcards
ecosystem
consist of living and nonliving things in their environment, that interact with each other and with their enviroment
drought
a prolonged shortage of rainfall
biosphere
that part of earth in which life can exist
animal
an organism that is made of many cells cannot make its own food and can move during at least part of its life
food web
a model that shows many feeding relationships among living things
symbiotic
relationship between organisms in which one depends on the other
life cycle
the various stages of an organism’s development and reproduction
food chain
a model that shows one set of feeding relationships among living things
system
a group of parts that work together to function or perform task
energy transfer
the transfer energy from one organism to another through a food chain or web or the
energy (organisms)
the ability to do work or cause change can be stored in chemicals found in food and released to the organism to do work
habitat
the location in which an organism lives
biodiversity
the many different types of life that exist in an environment
rain forest
a forest that is humid
bird
warm blooded vertebrate with feather wings and a beak whose young are born from eggs
instinct
an animals natural response to a stimulus an inherited behavior
biological diversity
the presence of many different types of organisms in an ecosystem
behavior
all of the actions and reactions of an animal
environment
all the living and nonliving things that surround an organism
biome
a major ecological community such as grassland tropical rain forest or desert
arthropod
a large category of animal without backbones that includes insects spiders and crustaceans
insect
a small animal with three body sections two antennae and six legs
depend
to rely on
parasite
an organism that lives in or on another organism (the host) and obtains nourishment from the host but provides nothing back to that host
