1st semesterInterim Review

• Place an A next to the abiotic factor and a B next to the biotic factor in the picture

• Draw a line from the terms on the left to the matching definition on the right.

• Biosphere

• Ecosystem

• Community

• Population

A. The living and non-living portions of an environment interacting

B. All the organisms of the same species in a given area

C. Anywhere on Earth that can support life

D.All the living parts of an environment

Place the letter of the best level of organization for each group in the shape next to their descriptions using these choices:

A. community B. Ecosystem C. Biosphere D. PopulationLetter

1. cactus, sand, rattlesnakes, gophers, sunlight

2. Earth

3. rattlesnakes

4. cactus, rattlesnakes, gopher

• Circle all of the phrases below that make up a NICHE in RED. Circle all o f the phrases below that make up a HABITAT in BLUE.

a fox is a predator

a fox competes for space with the hyena

a fox lives in a den

a fox has 3 to 4 kits in a litter

A fox is usually nocturnal

a fox tends to hunt alone

• Draw a J-shaped curve on the graph.

Circle the type of graph: exponential logistic

Circle Below: This growth occurs when conditions:There are limiting factors Conditions are ideal

• Draw a S-shaped curve on the graph.

Place “CC” on the graph at carrying capacity.

Circle the type of graph: exponential logistic

Circle Below: This growth occurs when conditions:There are limiting factors Conditions are ideal

Circle the best choice to complete these statements.

• When a prey population increases the predator population (increases, decreases).

• When a predator population increases the prey population (increases, decreases).

Draw a line from the term to the type of competition illustrated in each picture.

Interspecific

Intraspecific

Circle the correct answer.• Factors in the environment that

affect the size of a population are called

A. biotic factorsB. abiotic factorsC. limiting factorsD. environmental factors

Circle the density-dependent factors.

food

shelterflood

predator fire

temperature

Circle the density-independent factors.

food

shelterflood

predator fire

temperature

Place: M next to mutualism C next to commensalism P next to parasitism

1. Head lice feed on human blood and live in their hair causing itching and sores.

2. A plover bird eats the meat between a crocodile’s teeth.

3. A farmer gets milk from a cow.

4. Barnacles attach themselves to the shell of a scallop. The scallop is unaffected.

5. The sunfish floats on the surface of the water to allow birds to eat the flatworms attached to its body.

Place: M next to mutualism C next to commensalism P next to parasitism

6. The phorid fly lays its eggs on the leaf cutter ant. When the eggs hatch they burrow into the ant and eat it from the inside out.

7. A bee extracts nectar from flowers while it pollinates them.

8. Jackals eat the remains left behind from a tiger’s meal.

9. A dog gives affection and companionship to its owner who gives the dog food and shelter.

Circle the correct answer.• The ultimate source of energy in

an ecosystem is A. WaterB. The sunC. The consumersD. The top carnivore

Draw a line from the terms on the left to the matching descriptions on the right.

1.Producer A. eats only plants

2.Consumer B. eats only animals

3.Herbivore C. eats plants and animals

4.Omnivore D. heterotroph

5.Carnivore E. autotroph

Circle the correct answer.• An organism that breaks down

dead organisms in the environment is

A. a producerB. an autotrophC. a predatorD. a decomposer

• Draw a line from the term to the definition.

1. Tertiary consumer

2. Secondary consumer

3. Omnivore

4. Food chain

5. Food web

6. Autotroph

7. Heterotroph

A. shows how matter and energy flow from autotroph to heterotroph to decomposer

B. Another name for a producer

C. Eats both plants and animals

D. found on the 3rd trophic level

E. shows all possible feeding relationships in a community

F. Another name for a consumer

G. Found on the 4th trophic level

• Highlight one food chain in yellow and one food chain in pink on the food web below.

Circle the producers in green, the primary consumers in red, the secondary consumers in blue, and the tertiary consumers in yellow.

Circle the omnivore in this food web

Write the types of organisms found on each trophic level then write the percentage of energy that gets passed on to each level

Complete the pyramids for biomass, energy, and numbers.

Pyramid of Biomass

Pyramid of Energy

Pyramid of Numbers

5000 kcal

kcal

kcal

kcal

200 g

g

g

g

3

• Draw a line from the descriptions of matter and energy to how it moves in an ecosystem.

Matter

Energy

A. Carbon, hydrogen, oxygen, nitrogen

B. Obtained from the sun

C. Is cycled in an ecosystem

D. Flows through an ecosystem

E. Escapes in the form of heat

• Place the letters in the boxes for each processA. Decomposition B. Photosynthesis C. Respiration

Label: E for evaporation, C for condensation, T for transpiration, R for run-off, and P for precipitation on the diagram

• Draw a line from the terms on the left to the descriptions on the right.

1.Succession

2.Pioneer species

3.Climax community

4.Primary succession

5.Secondary succession

A. Starts from bare rock like after a volcano

B. Remains stable in the ecosystem for long periods of time

C. the orderly, natural changes and species replacements that take place in the communities of an ecosystem

D.First type of organisms to inhabit an area

E. Occurs after a natural disaster like a fire when soil is left behind.

Put the organisms in order for succession.

3.Moss and lichen

4. Hardwood trees5. shrubs

1. Grasses and ferns

2. pines

________→________→________ → ________ → ________

Place TU for tundra, TA for taiga, TF for temperate forest, D for desert, TR for tropical rain forest, and G for Grasslands

Greatest diversity of life, large plant variety that are adapted to grow tall to find light

Permafrost -soil remains permanently frozen

Mixture of trees (pines and hardwoods-deciduous trees) Plants- shed leaves in winter

Animals-Toucans, monkeys, gorilla, snakes, lizards, parrots

Animals-Bison, antelope, gophers, jackrabbits, sheep

Place TU for tundra, TA for taiga, TF for temperate forest, D for desert, TR for tropical rain forest, and G for Grasslands

Shallow root systems to absorb rainfall quickly, leaves are needles to prevent water loss

Low temperatures,very little rainfall,long winters and darkness, Short summers

At equator, almost constant temperature of 25 oC

Foggy, wet climate, acidic soil, Plants large coniferous forest (firs, pines)

Animals- Deer, opossum, black bear, fox, squirrel, many bird species

Place TU for tundra, TA for taiga, TF for temperate forest, D for desert, TR for tropical rain forest, and G for Grasslands

has definite seasons

most rain fall, very humid

Uneven rainfall Plants-variety of grasses with scattered trees

Low rainfall and long droughts, animals are active at night to prevent dehydration; lizards, kangaroo rat, scorpions, snakes

Place TU for tundra, TA for taiga, TF for temperate forest, D for desert, TR for tropical rain forest, and G for Grasslands

steppe, plains, savannah, or prairie

Animals- Moose, elk, wolves , caribou, porcupines, black bear

Plants with fast life cycles and animals have thick fur

Write a T next to the picture illustrating thigmotropism, P for phototropism, G for geotropism, and H for

hydrotropism.

Draw a line from the type of pollution each substance causes.

Air pollution excess CO2

Acid Rain CFC’s

Global Warming Burning of fossil fuels for electricity

Loss of Ozone layer SO2 and NOx

Circle the best choice to complete the statement

• During biomagnification the amount of toxin

increases/decreases in each organism as it moves up the food chain.