stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Unit 3 Test Review Flashcards | StudBud
Explore
/
Unit 3 Test Review
Unit 3 Test Review
21 terms
·
StudBud Administration
·
421 plays
6th grade SVVSD
Flashcards
21 cards
F
Practice quiz
P
Host live
L
Questions
21
Answers
1
Conifer trees...
Have trouble growing at high elevations
Produce cones
Lose their leafs during the autumn months
Have leafs
2
Turbidity is...
amount of pollution in H20
amount of solids in H20
amount of salt in H20
amount of oxygen in H20
3
Abiotic is to....
Not be alive
A robot
Be alive
Be living
4
Which factor has been the main cause of many species becoming endangered or extinct?
global warming
hunting
loss of habitat
oil spills
5
A characteristic of mammals....
Lay eggs
Live Birth
Hair/Fur
Scales
6
An endangered species means...
its GONE!
How to create colorful pictures of animals
over population of a species
a species is rare
7
The measure of the number of different kinds of organisms living within an area is known as
biology
biodiversity
species
population
8
When water is heated by the sun...
evaporation
precipitation
condensation
accumulation
9
An example of an abiotic factor
A cow
A bird
A rock
evergreen trees
10
Biotic is to
I need help
Be alive
Be non-living
A rock
11
Many species live within a community and in lakes, hills, and trees. These places are called
niches
home
ecosystems
habitats
12
Deciduous trees
Produce cones
Have needles
loose leaves
Grow in extreme climates
13
Habitat destruction ________ the area available to a population
stays the same
increases
decreases
helps
14
What are nitrates?
nutrients that are good
animals
They are nutrients that can lead to lower levels of oxygen.
organisms
15
Aquatic plants need clear water to receive sunlight. Which may cause water to become cloudy?
all of the above
pollution
algae
erosion
16
What is a watershed?
the land area that drains into a larger body of water
a shed for water
where water gathers
a drain
17
Estuaries are...
when water is too salty
flooding occurs
when water meets land
fresh and salt water combine
18
What was a major factor leading towards the endangerment of a species?
Global Warming
Pollution
Habitat destruction
Poaching
19
What is an invasive species?
an aquatic insect that requires low levels of oxygen
organism that is not from a location, but in that location
any plant or animal that has always been there
an animal that eats another animals
20
By which process do rivers carve valleys over many years?
erosion
weathering
deposition
precipitation
21
Which of the following would be a point source (direct) pollution?
construction in a city
oil spill from a ship
run off of lawn fertilizer
cows producing waste