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Review chapter 1
From cells to
ecosystems
What are the 5 basic
life functions?
1.
2.
3.
4.
5.
grow
use energy
reproduce
respond to environment
get rid of waste
What is a cell?
smallest unit of living matter
Name a one-celled
organism.
1. protist
2. bacteria
3. fungi
What is a group of similar
cells working together
called?
tissue
What is a group of
tissues with a certain
job called?
organ
Name the classification
system from big to small.
1.
2.
3.
4.
5.
6.
7.
Kingdom
Phylum
Class
Order
Family
Genus
Species
What is the biggest
group in the
classification system?
Kingdom
What is the smallest
group in the
classification system?
Species
What is a habitat?
an organisms home
Tell about the tundra.
Have very cold winters,
few trees, ground frozen
year round
Tell about the taiga.
Have very cold winters,
cool summers, dry
Tell about the grasslands.
Have cold winters and hot
summers, some rain, rich soil
Tell about mild forests.
Mild winter winters and
summers, lots of rain,
trees lose leaves.
Tell about the desert.
Very hot days, little rain
Tell about tropical
rain forests.
Hot and rainy all year,
poor soil, many plants
and animals
What is a producer?
It makes its own
food.
Name 2 producers.
What is a
consumer?
It uses producers or
other consumers
as food.
Name 2 consumers.
What is an animal
called that eats only
plants?
herbivore
What kind of animal
only eats meat?
carnivore
What kind of animal
eats both plants
and meat?
onmivore
What is a decomposer?
they break down wastes
andremains of dead
organisms
Tell what a food chain is.
shows feeding relationship
between organisms
Tell what a food web is.
shows how food chains
are related in an ecosystem
What is overpopulation?
having too many animals
in one area
What is pollution?
harmful substances in
the soil, water, or air
How did we get from cells
to ecosystems?
Cells are the smallest living thing.
They go together to create
something bigger, and they go
together. That keeps happening
until you have different plants and
animals. Those organisms live
together in an ecosystem.