EXAM 1 jeopardy questions

Question 1

What is the smallest unit of life?

a. atoms
b. molecules
c. oxygen
d. cells

Answer 1

d. cells

Question 2

Which of the following is a community?

a. All of the biomes found on Earth
b. All the abiotic and biotic components of an area
c. A collection of species within an area
d. Several populations within an area

Answer 2

d. Several populations within an area

Question 3

Organisms that are prokaryotes are in the domain(s)

a. Bacteria
b. Bacteria and Archaea
c. Eukarya
d. Eukarya and Archaea

Answer 3

b. Bacteria and Archaea

Question 4

An organism’s scientific name consists of

a. Genus and species
b. Family and genus
c. Order and family
d. Kingdom and phylum

Answer 4

a. Genus and species

Question 5

Black bears reproduce later in life and have one or two cubs. These cubs are provided for and protected by the mother. What type of reproductive strategy is this?

a. Mutualism
b. Symbiosis
c. R-selection
d. K-selection

Answer 5

d. K-selection

Question 6

What is the distribution of organisms in an ecosystem where resources are scattered and organisms are highly social?

a. Random
b. Uniform
c. Competitive
d. Clumped

Answer 6

d. Clumped

Question 7

A j-shaped growth curve is characteristic of a population with_____________ resources.

a. limited
b. shared
c. overlapping
d. unlimited

Answer 7

d. unlimited

Question 8

The factors that reduce the size of a population regardless of its initial size are

a. density-dependent.
b. biotic factors.
c. density-independent.
d. ecological factors.

Answer 8

c. density-independent.

Question 9

A population of 1000 animals showed an 85 percent death rate in the first year, 10 percent in the second year, and 5 percent in the third year. This population’s survivorship is
a. type 1. 
b. type 2. 
c. type 3. 
d. type 1 in the beginning and 
type 3 in the third year.

Answer 9

c. type 3.

Question 10

Habitat refers to _____________.

a. the feeding level of a species.
b. an organism’s use of abiotic and biotic factors.
c. everything an organism needs to survive.
d. the home range of an organism.

Answer 10

d. the home range of an organism.

Question 11

Whenever two species require the same resource and the better competitor drives the other to extinction it is called

a. resource partitioning.
b. competitive exclusion.
c. predator/ prey interaction.
d. parasitism.

Answer 11

b. competitive exclusion.

Question 12

Two cohabitating organisms, one is benefiting while the other is not affected, have a _____________ relationship.

a. competitive
b. mutualistic
c. parasitic
d. commensalistic

Answer 12

d. commensalistic

Question 13

A seahorse disguises itself as the sponges it clings to in order to avoid predators. This survival technique is

a. mimicry.
b. warning coloration.
c. display behavior.
d. camouflage.

Answer 13

d. camouflage.

Question 14

Three of the four events below lead to primary succession. Which is the exception?

a. Retreat of a glacier
b. Erosion of rock
c. An abandoned cornfield
d. Eruption of a volcano

Answer 14

c. An abandoned cornfield

Question 15

In a food chain consisting of grass, snails, birds, and snakes, the snails are the

a. primary consumers.
b. primary producers.
c. secondary consumers.
d. secondary producers.

Answer 15

a. primary consumers.

Question 16

Biological magnification shows how

a. energy can be recycled in the food chain.
b. biomass decreases up the food chain.
c. energy decreases up the food chain.
d. toxins are magnified up the food chain

Answer 16

d. toxins are magnified up the food chain

Question 17

Organisms that depend on consuming other organisms for energy are

a. producers.
b. consumers.
c. decomposers.
d. detritivores.

Answer 17

b. consumers.

Question 18

Carbon is taken from the atmosphere by

a. the burning of fossil fuels.
b. volcanic eruptions.
c. photosynthesis.
d. cellular respiration

Answer 18

c. photosynthesis.

Question 19

In the nitrogen cycle, nitrate is converted back into atmospheric nitrogen (N2) by __________________.

a. fungi
b. bacteria
c. denitrification
d. ammonification

Answer 19

c. denitrification

Question 20

Giant pandas feed mainly on bamboo, which has been extensively cut to make room for China’s growing population. This is an example of

a. invasive species.
b. habitat degradation.
c. overexploitation.
d. species extinction.

Answer 20

b. habitat degradation.

Question 21

Which has caused the thinning of the ozone layer?

a. Use of fertilizers.
b. Burning of fossil fuels.
c. Use of CFCs.
d. Global warming.

Answer 21

c. Use of CFCs.

Question 22

Which of the following does not contribute to greenhouse gases?

a. Abundance of plants and trees.
b. Deforestation.
c. Industrialization.
d. Vehicle emissions.

Answer 22

a. Abundance of plants and trees.

Question 23

Which of the following is NOT a consequence of deforestation?

a. Decreased oxygen levels.
b. Soil erosion.
c. Habitat removal.
d. Decreased CO2 levels

Answer 23

d. Decreased CO2 levels

Question 24

What is the second largest threat to biodiversity on the planet?

a. Habitat degradation.
b. Overexploitation.
c. Invasive species.
d. Greenhouse effect.

Answer 24

c. Invasive species.

Question 25

Which of the following takes the longest to decompose in the ocean?

a. Styrofoam.
b. Plastic bag.
c. Aluminum can.
d. Plastic water bottle.

Answer 25

a. Styrofoam.