living things and the environment
Terms in this set (34)
a living thing
What does an Organism Get from its Environment
An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its environment
An environment that provides the things a specific organism needs to live, grow, and reproduce from its environment
why do organisms live in different habitats
they live in different habitats because they have different requirements for survival and reproduction.
What are the two parts of an organism's Habitat
An organism interacts with both the living and nonliving part of its habitat
The parts of a habitat that are living, or once living, that interact with an organism.
Plants that produce berries are Biotic
are the nonliving parts of an organism's habitat.
the sun and water are abiotic factors
How is the Ecosystem organized
organisms in the ecosystem
One type of that animal
a group of organisms that can mate with each other and produce offsprings that can also mate and reproduce
all the members of one species living in a particular are referred to as population
All the different populations that live together in an area make up a community
community of organisms living together to make up an ecosystem
The smallest level of organization is a single organism, which belongs to a population that includes other members of its species. The population belongs to a community of different species. The community and abiotic factors together form an ecosystem
the study of how organisms interact with each other
How do populations change in size
populations can change in size when members join the population or when members leave the population
the number of deaths per 1,000 individuals for a given period
the number of births per 1,000 individuals for a given time periods greater
Things that have a limit in a habitat like space, food, climate
individuals with characteristic that are best suited for their environment tend to survive and pass on these traits to their offspring through a process called natural selection
An organism has a role, or niche, in its habitat. A niche includes the type of food the organism eats and how it gets this food. A niche also includes when and how the organism reproduces and the physical conditions that it needs to survive.
The largest population that an area can support
The behaviors and physical characteristics that allow organisms to live successfully in their environment
The struggle between organisms to survive as they attempt to use the same limited sources
An interaction in which one organism kills another organism for food or nutrients
The organism that kills another organism for resources
Is what the predator goes after
Any relationship in which two species live closely together and at least one of the species benefits
Is a relationship in which both species benefit. When an oxpecker eats ticks living on the impala's ear, both organisms benefit.
is a relationship in which one species benefits and the other species is not affected, such as a bird's nest in a tree.
A relationship that involves one organism living with, on, or inside another organism
An organism that feeds off of a host
Provides energy to the parasite.