Living Things and the Environment
An organism gets food, water, and shelter in order to
live, grow, and reproduce
The thick fur of a polar bear is an example of a(n)_____________ that allows the bear to live successfully in its environment.
adaptation
The study of how living things interact with each other and with their environment is called ____________.
ecology
Which of the following statements describes a species?
a. a group of organisms that are closely related
b. a group of organisms that live in the same habitat
c. a group of organisms that live in an area and interact
d. a group of organisms that are closely related and produce fertile offspring
d. a group of organisms that are closely related and produce fertile offspring
The parts of a habitat that are living are called __________.
The parts of a habitat that are nonliving are called __________.
biotic factors
abiotic factors
The struggle between organisms to survive as they attempt to use the same limited resources is called ________________.
competition
Prairie dogs, snakes, and grass make up a level of an ecological organization called a ____________.
community
Which of the following is a biotic factor in a ecosystem? a. wind b. tree leaves c. small rocks d. light from the sun
b. tree leaves
List 3 examples of biotic factors and 3 examples of abiotic factors
examples biotic: any living organism
examples abiotic: sunlight, water, soil, temperature, oygen, salt, rocks
Name 3 things that a niche includes
any 3 examples:
type of food the organism eats, how it obtains its food, what other organisms eat the same food, how and when an organism reproduces, or the physical conditions the organism needs in order to survive
A hawk building a nest on the arm of a cactus without hurting the cactus is an example of the symbiotic relationship called ___________.
commensalism
List 3 adaptations of Prey animals and why/how they help them survive.
large ears = Great hearing
small size/lightweight/= Speed & helps fit into small spaces.
Camouflage = hide
Most people would never expect to see a prairie dog at the beach. Give 3 reasons why a prairie dog would not survive this habitat.
Example: no grass to eat, too wet, no grass to hide from predators
Competition is the struggle between organisms to survive as they attempt to use the same limited resources. Name one example of organisms that are in competition.
example: weeds and vegetables or flowers
other acceptable aswers
The place where an organism lives and that provides the things the organism needs is called its _____________.
habitat
List 4 adaptations of Predators.
Sharp Claws, Strength, Larger size, Sneaky, Lots of teeth.....etc.
Most organisms do not live all alone. Name the 4 levels that an ecosystem is organized from the smallest level to the largest level
organisms
populations
communities
ecosystems
Name the 3 types of symbiotic relationships
mutualism, commensalism, parasitism
A _______________ is all the members of one species living in a particular area.
population
Which of the following determines where populations can live? a. its needs are met by biotic factors in the habitat b. its needs are met by abiotic factors in the habitat c. it needs are met by abiotic and biotic factors in habitat d. its needs are met by other populations or organisms
c. it needs are met by abiotic and biotic factors in habitat