Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

CB9F Test

Enter the letter for the matching Answer
incorrect
1.
Which term describes organisms that get their food by eating other organisms?
incorrect
2.
Name one carbon compound found in living organisms.
incorrect
3.
Name two groups of organisms that carry out the biotic process that removes carbon from the atmosphere.
incorrect
4.
Which term means planting new trees in a large area where trees were cut down?
incorrect
5.
Give one advantage of using more biofuels.
incorrect
6.
Which cycle describes the relationship in population size of a secondary consumer and the animal species that it eats?
incorrect
7.
What is potable water?
incorrect
8.
Name one group of organisms that includes decomposers.
incorrect
9.
Which scientific term means all individuals of the same species living in a particular area?
incorrect
10.
Name one problem caused to the environment by spreading too much fertiliser on fields.
incorrect
11.
Which term describes an animal that kills and eats other animals?
incorrect
12.
Which scientific term means a species that has been introduced to a new area?
incorrect
13.
How does eating more animals for food affect food security?
incorrect
14.
Which term describes animals that eat plants or algae?
incorrect
15.
Which term describes the non-living factors of an environment, such as temperature, light intensity and water availability?
incorrect
16.
How can fish farming increase the biodiversity of wild fish communities?
incorrect
17.
How does the malaria protist benefit from being inside a human?
incorrect
18.
Which term describes the struggle between organisms for a limited resource?
incorrect
19.
In what form is carbon in the atmosphere?
incorrect
20.
What is food security?
A.
(consumers)
B.
(herbivores/primary consumers)
C.
(suitable for drinking)
D.
(abiotic factors)
E.
(needs more land than growing food crops)
F.
(any suitable, e.g. eutrophication of water, death of fish in rivers)
G.
(predator–prey cycle)
H.
(carbon dioxide)
I.
(population)
J.
(any two groups that are producers, e.g. plants, algae)
K.
(reduced capture of wild fish for humans to eat)
L.
(e.g. to replace fossil fuels/reduce carbon emissions/reduce problems of climate change)
M.
(predator/any consumer apart from primary)
N.
(anything suitable, such as: gets nutrients, multiplies in number)
O.
(any suitable carbon-containing compound, e.g. sugars, fats, proteins, DNA)
P.
(competition)
Q.
What is food security? (enough food for everyone)
R.
(any suitable, e.g. bacteria, fungi,microorganisms)
S.
(reforestation)
T.
(non-indigenous/ non-native)
Type the Answer that corresponds to the displayed Question.
incorrect
21.
Which process causes the formation of clouds of water droplets from water vapour in the air?
incorrect
22.
Which process in plants takes water from the soil and passes it to the air?
incorrect
23.
Which term means protecting species or their habitat?
incorrect
24.
Which term measures the dry mass of all living tissue in an organism?
incorrect
25.
Which term describes organisms, such as plants or algae, that make their own food?
incorrect
26.
Is predation an abiotic or biotic factor in ecosystems?
incorrect
27.
Which term means the number of different species living in an area?
incorrect
28.
Which term means planting new trees in a large area where trees were cut down?
incorrect
29.
Which method can be used to study the distribution of organisms (how they are spread) in a straight line through an ecosystem?
incorrect
30.
Much of the salmon sold in supermarkets comes from fish grown in pens or pools. What is this method of production called?

edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Popular Biology sets