BIOLOGY BJU Finals Study Guide #2

Question 1

Which of the following shows a plausible food chain?

Accepted Answer

producer, herbivore, carnivore, decomposer

Question 2

A relationship in which one organisms benefits but the other is neither helped nor harmed is

Accepted Answer

commensalism.

Question 3

The rebuilding of an ecosystem

Accepted Answer

Succession

Question 4

If there were no limiting factors, a population would grow with

Accepted Answer

Exponential growth

Question 5

Dead plant and animal material is known as

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detritus.

Question 6

Starting with a disturbed, but not barren, landscape

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Secondary succession

Question 7

A food web is composed of overlapping

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food chains.

Question 8

What is the number of species within an ecosystem?

Accepted Answer

species richness

Question 9

The total amount of living matter that an ecosystem can support is its

Accepted Answer

biomass.

Question 10

Which is NOT a human-induced change in the ecosystem

Accepted Answer

Cyclic populations

Question 11

On a mountain, temperatures & precipitation are insufficient to grow trees above this line.

Accepted Answer

timberline

Question 12

The final species to settle in a new ecosystem, they mark the end of succesison.

Accepted Answer

Climax species

Question 13

Temperature and precipitation can be affected by

Accepted Answer

both of these

Question 14

What is the population size of the species within an ecosystem?

Accepted Answer

species evenness

Question 15

More biodiversity is healthier than less.

Accepted Answer

True

Question 16

When a population levels off, it has reached its

Accepted Answer

Carrying capacity

Question 17

In reality, a population increases with...

Accepted Answer

Logistic growth

Question 18

What is the purpose of Biogeochemical cycles?

Accepted Answer

Sustainability

Question 19

Coyotes and bobcats both prey on small rodents. This is an example of

Accepted Answer

competition

Question 20

Moderate temperatures and rain, but not enough rain to support trees. Wild horses & pheasants.

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grassland

Question 21

On the big island of Hawaii, wild sheep live in herds. These animals form an isolated

Accepted Answer

population.

Question 22

Warm, dry summers. Cool, wet winters. Shrubs with tough, waxy leaves. Diverse plant life.

Accepted Answer

chaparral

Question 23

A relationship in which one organisms benefits but the other is harmed is

Accepted Answer

amensalism.

Question 24

The temperature and precipitation amounts between adjacent climate zones tend to

Accepted Answer

change gradually.

Question 25

Cooler temperatures and moderate rainfall. Hemlock, fir, redwood trees. Elk, moose, wolverines.

Accepted Answer

coniferous forest

Question 26

Which was NOT a biogeochemical cycle we discussed?

Accepted Answer

Hydrogen

Question 27

The ability of the biosphere to maintain its balance indefinitely

Accepted Answer

Sustainability

Question 28

Which of the following would be considered a biotic factor of an ecosystem?

Accepted Answer

the kinds of predators there

Question 29

Technique that uses organisms to remove or neutralize hazardous materials.

Accepted Answer

Bioremediation

Question 30

The way that an organism lives in its habitat is known as that organism's

Accepted Answer

niche.

Question 31

Small changes in income, produce large changes in outcome.

Accepted Answer

Butterfly Effect

Question 32

Regions of the biosphere that share certain environmental conditions, such as climate, are

Accepted Answer

biomes

Question 33

The smaller part of an ecosystem that an organism prefers to live in is that organism's

Accepted Answer

habitat.

Question 34

Starting with barren rock

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Primary succession

Question 35

Vertical zonation refers to the ecological layers within a biome due to

Accepted Answer

both of these.

Question 36

All the organisms of the same species living in the same area are known as

Accepted Answer

a population.

Question 37

Competition can occur between

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all of these.

Question 38

Huge rainfall. Warm year-round. Great biodiversity. Canopy and understory. Sloths and frogs.

Accepted Answer

tropical rainforest

Question 39

Warm temperatures. Dry and rainy seasons.Few trees. Herds of herbivores. Packs of predators.

Accepted Answer

savanna

Question 40

Organisms that dwell on the ocean floor are known as

Accepted Answer

benthic organisms.

Question 41

T or F: A particular type of biome tends to be restricted to a small portion of the earth.

Accepted Answer

false

Question 42

What abiotic factor(s) affect a salmon stream?

Accepted Answer

all of these

Question 43

The first species to arrive in succession

Accepted Answer

Pioneer species

Question 44

Two species of fish living in the same stream, but not sharing habitats or prey is

Accepted Answer

neutralism.

Question 45

Two organisms living together and interacting in a way that benefits both organisms is

Accepted Answer

mutualism.

Question 46

The average weather in an area over an extended period of time constitutes an area's

Accepted Answer

climate.

Question 47

The ________________ includes all the parts of the earth and its atmosphere where life exists.

Accepted Answer

biosphere

Question 48

Very low precipitation. Can be hot or cold. Plants and animals conserve water.

Accepted Answer

desert

Question 49

When an organisms depends on another host organism for food, this is a form of

Accepted Answer

parasitism.

Question 50

Which is NOT a way that population density changes?

Accepted Answer

Genetic Drift

Question 51

NOT a reason the Earth seems chaotic.

Accepted Answer

Biblical data

Question 52

The forest in a tropical rainforest biome can be divided into layers of growth based on

Accepted Answer

how much sunlight each receives.

Question 53

Moderate temperatures & rainfall. Four distinct seasons. Abundant wildlife. Oak, birch, maple.

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deciduous forest

Question 54

Prevents populations from growing infinitely

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Limiting factors

Question 55

Permanently frozen ground and little vegetation. Long winters. Short summers. Caribou. Bears.

Accepted Answer

tundra

Question 56

The term biodiversity refers to

Accepted Answer

the number of species in an area.

Question 57

Uncontrolled algae growth

Accepted Answer

Eutrophication

Question 58

The study of ecology includes the study of the interrelationships between organisms and

Accepted Answer

all of these.

Question 59

Autotrophs are also known as

Accepted Answer

producers.

Question 60

Number of individuals in a certain amount of space.

Accepted Answer

Population Density

Question 61

Organisms that move into a habitat where they are not native and then compete for resources

Accepted Answer

Invasive species

Question 62

Different animals living together & interacting with each other within a particular habitat is

Accepted Answer

symbiosis.

Question 63

Each trophic level in an ecological pyramid contains

Accepted Answer

less energy than the level beneath it.

BIOLOGY BJU Finals Study Guide #2

Questions 63

BIOLOGY BJU Finals Study Guide #2

Questions 63