evolution
what group of animals is considered the closest living relatives to whales?
hooved mammals
an animal that eats another animals is a ....
consumer
what is ecology?
the study of how organisms interact with their environment.
in a population increase in any species, what would also have to increase in order for the species to thrive?
space for shelter, availability of food, availability of water
if a species is no longer able to reproduce, it will
Become extinct
what are plants call in a food chain?
producers
an environment that provides the things a specific organism need to live, grow, and reproduce is its___.
habitat
what human activity has the least negative impact on habitat quality?
selective cutting
Evidence that living things have evolved over hundreds of millions of years can be found in
rocks containing fossils
what is bacteria or fungi considered?
decomposer
a biotic factor in an organism's habitat is_____.
something that is living or was once living
what is hydroelectric power?
renewable energy from moving water
A symbiotic relationship where one is harmed and the other is benefited is called?
parasitism
The_______provides all the initial energy to plants.
sun
what needs of an organism are provided by its habitat
food, shelter, water
what is geothermal energy?
energy from deep within the earth; renewable energy
A symbiotic relationship where one is benefited and the other is unaffected is what?
commensalism
all organisms need_____ to survive
energy
the nonliving part of a habitat is called:
abiotic factor
what will most likely decrease the size of a habitat?
clearing land to build a house