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Worksheets8th grade science STAAR review 4
Total questions: 17
Worksheet time: 13mins
Name
Class
Date
1.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them.
b)
They may eat more than one other organism.
c)
This organism gets its energy from multiple sources.
d)
They have no resources available to them.
2.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
3.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
4.
What does a biotic do?
a)
do nothing
b)
move, repopulate, and live
c)
stand still
d)
dead things
5.
if an eagle/hawk population goes down what happens?
a)
predators are booming
b)
nuke
c)
Mouse population explodes
d)
nothing
6.
What does a limiting factor do?
a)
makes a population grow large
b)
stops a population from growing large
c)
helps organisms adapt to abiotic factors
d)
provides geographical boundaries for migration
7.
If a disease were to infect frogs and kill them off what would be the likely impact of this system?
a)
Decrease the amount of flies
b)
Increase the amount of frogs
c)
Decrease the amount of algae
d)
Increase the amount of algae
8.
anything that an organism needs to live, ex. food, water, space
a)
carrying capacity
b)
resource
c)
succession
d)
denitrification
9.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
10.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
11.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
12.
The _______________________ consists of blood, blood vessels, and the heart.
a)
respiratory system
b)
circulatory system
c)
urinary system
13.
a body system that controls growth and homeostasis by secreting hormones from glands.
a)
skeletal system
b)
nervous system
c)
endocrine sytem
d)
integumentary system
14.
Where is DNA stored in a cell?
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
15.
Which organelle is only found in a plant cell?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
16.
Which kingdom has all multicellular organisms that move to catch their food?
a)
Protist
b)
Fungi
c)
Plant
d)
Animal
17.
Cells that do not have a true nucleus are called....
a)
eukaryote
b)
prokaryote
c)
unicellular
d)
multicellular
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