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Unit 2 EOC Review Most Missed

Total questions: 16

Worksheet time: 11mins

Name
Class
Date
1.

Phosphorus is needed to make the biomolecule called ​ (a)   ​ ​ the building blocks of life and ​ (b)   that make up our cells.

Choose from the below words
DNA, a nucleic acid
phospholipids
carbohydrates
protein
2.

What events release carbon dioxide in the air?

Check all that apply.

a)

respiration of humans and animals

b)

decomposition of organisms

c)

burning of fossil fuels

d)

deforestation

3.

Order the biological levels from the most complex to the simplest.

a)

biomes

b)

ecosystem

c)

community

d)
population
e)

species

1)
2)
3)
4)
5)
4.

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.

5.

Predict the future population growth of this country.

a)

Negative Growth (the population will shrink)

b)

Slow/No Growth (the population will stay about the same)

c)

Growth (the population will definitely grow)

d)

Fast Growth (the population will explode)

6.
Stimulus is
a)
organisms that are made up of more than one cell
b)
the maintenance of a stable internal environment.
c)
a membrane-covered structure that contains all of the materials necessary for life.
d)
a change that affects the activity of an organism.
7.

12.A

The ocean sunfish is a large, flat fish that spends most of its time in deep water feeding mainly on jellyfish. Sunfish often have many species of copepods, small crustaceans that bury their heads into the soft tissue of the sunfish. Sunfish will swim to the surface of the water and lie sideways allowing seabirds to eat the copepods from their skin. Match the organism to the correct description of how each organism is related to the sunfish.

a)

Seabirds

1.

Mutualism

b)

Jellyfish

2.

Predation

c)

Copepods

3.

Parasitism

8.

At each trophic level, energy is lost as heat from metabolic processes. How much energy is transferred from one trophic level to the next?

a)

5% of energy is transferred to the next level.

b)

10% of energy is transferred to the next level.

c)

15% of energy is transferred to the next level.

d)

20% of energy is transferred to the next level.

9.

Based on this country's population pyramid, their population is

a)

Increasing

b)

Stable

c)

Decreasing

10.
32. The graph to the below shows the populations of wolves and mountain lions in five different counties in Montana. Wolves and mountain lions compete for the same kinds of food. In Clay county,
a)
A. Mountain lions depend on wolves to survive.
b)
B. Mountain lions probably outcompete wolves for food.
c)
C. Mountain lions and wolves have a mutualistic relationship.
d)
D. Mountain lions and wolves survive independently of each other.
11.
What determines an area's biome?
a)
Temperate Rain Forests and Tropical Rain Forests
b)
Climate, based on temperature and precipitation
c)
Plants that grow well in the shade formed by the rainforest canopy
d)
A grassland located closer to the equator, can receive up to 120 cm of rain per year
12.

Organisms in the trophic levels above the autotrophs are called

a)

Decomposers

b)

Heterotrophs

c)

Producers

d)

Detrivores

13.
Question Image

Match the following description to the event.

a)

greenhouse

1.

a natural phenomenon where greenhouses gases, like CO2, traps sunlight and wams the planet

b)

global warming

2.

a phenomenon showing a gradual increase of Earth's temperature due to unnaturally high levels of CO2

c)

pollution

3.

a contamination of air dues to introduction of pollutants/chemicals

d)

ocean acidfication

4.

a phenomenon that increases ocean water acidity by lowering its pH due to high levels of CO2

14.
What are factors that affect population size regardless of density?
a)
Density-Dependent
b)
Mutualism
c)
Density-Independent
d)
Abiotic
15.
What are the non-living factors in an ecosystem?
a)
Density-Dependent
b)
Biotic
c)
Abiotic
d)
Habitat
16.
What is the role and position of an organism in its environment?
a)
Parasitism
b)
Biotic
c)
Niche
d)
Community