what is emigration?
individuals exiting a population
bio
life
what is growth and development?
growth is when an organism get bigger and increases in size
development is when an organism gets more complex or specialized
as the size of an ecosystem increases, so does the.....?
rate & speed
organisms that can create their own food are called...?
autotrophs
what does habitat mean?
the area an organism lives in
tetra
four
what is matter and energy?
matter serves as nutrients to build body and structures and energy is used to fuel the many processes of life
why does oxygen matter to humans?
to make energy
for most life on earth, what is the ultimate source of energy?
sunlight
what does birth rate mean?
the amount of individuals in a population being born
mono
one
what is homeostasis?
an organism's ability to maintain relatively table internal conditions
when an ecosystem grows unhindered, it experiences?
exponential growth
what form is most nitrogen on earth found in?
gas
what is symbiosis?
any relationship in which two species live closely together
ose
sugar
what is change over time?
evolution of the change in living things over time, explains inherited similarities as well as the diversity of life
growth in an ecosystem is always limited by.....?
limiting nutrient
ecology
what is niche?
an organisms "job" within an ecosystem
ase
enzyme
response to environment
a stimulus is a signal to which an organism and organisms detect and respond to stimulus from their environment
carbon, nitrogen, oxygen, and ....... are all crucial to the survival of an ecosystem.
phosphorus
where is phosphate found naturally?
in rocks