Quiz about Ecology

Question 1

What is a producer?

Accepted Answer

an organisms that uses sunlight to make its own food

Answer

an organism that gets energy from eating other organisms

Answer

an organism that gets energy from eating dead organisms, non-living material or waste

Answer

an organism that uses chemical energy to make its own food

Question 2

John takes the subway to work every morning. He enjoys drinking his coffee and talking to people that sit near him. The other people on the subway are an example of what type of factor?

Accepted Answer

Biotic

Answer

Abiotic

Question 3

Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.

Accepted Answer

Biotic

Answer

Abiotic

Question 4

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

Accepted Answer

Abiotic

Answer

Biotic

Question 5

A black mamba is a highly venomous snake that can reach lengths of 14 feet. They are also able to slither at speeds of 12 miles per hour (mph). A black mamba is an example of what type of factor?

Accepted Answer

Biotic

Answer

Abiotic

Question 6

Water is a compound that consists of 2 hydrogen atoms and 1 oxygen atom. Up to 60% of an adult human is made up of water. Water is an example of what type of factor?

Accepted Answer

Abiotic

Answer

Biotic

Question 7

An arctic blast pushed its way through several of the Northern state in the United State. The temperatures dropped below freezing for several days. Temperature is an example of which type of factor?

Accepted Answer

Abiotic

Answer

Biotic

Question 8

Precipitation is water in liquid or solid form that falls from Earth's atmosphere to the ground due to gravity. Rain, snow, sleet and hail are common forms of precipitation. Precipitation is an example of which type of factor?

Accepted Answer

Abiotic

Answer

Biotic

Question 9

Members of a species in a defined area

Accepted Answer

population

Answer

Ecosystem

Answer

community

Answer

biodiversity

Question 10

Study of interactions between organisms and their environment

Accepted Answer

ecology

Answer

niche

Answer

community

Answer

ecosystem

Question 11

A food chain is illustrated below:
The arrows represented most likely indicate

Accepted Answer

A. Energy released from metabolism into the environment as heat.

Answer

B. Oxygen released from metabolism produced by cellular respiration.

Answer

C. The absorption of energy from the environment that has been created.

Answer

D. The transport of glucose away from the organism through photosynthesis.

Question 12

A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?

Accepted Answer

The catfish population helps control the populations of water boatman and waterfleas.

Answer

The frogs make energy available to this ecosystem through the process of photosynthesis.

Answer

The algae directly provide food for both the rotifers and the catfish.

Answer

The green-backed heron provides energy for the mosquito larvae.

Question 13

What may happen if the snowshoe hare was removed from the food web pictured?

Accepted Answer

The shrew population would decrease due to being only hawk food source.

Answer

The insects in the habitat would increase.

Answer

The willow tree population would decrease.

Answer

Foxes would dies due to no food source.

Question 14

Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?

Accepted Answer

Rainforest

Answer

Tundra

Answer

Desert

Answer

Pineforest

Question 15

What does a food web represent?

Accepted Answer

All connections of energy flow throughout all organisms in a habitat.

Answer

The specific ways that mutualism is carried out.

Answer

A single pathway or energy flow between organisms.

Answer

How carnivores get their food.

Question 16

Organisms of the same species living in the same environment together

Accepted Answer

Population

Answer

Community

Answer

Ecosystem

Answer

Environment

Question 17

Populations of organisms living in the same environment at the same time

Accepted Answer

Community

Answer

Population

Answer

Biotic Factors

Answer

Habitat

Question 18

What converts nitrogen into a useable form for plants and animals?

Accepted Answer

bacteria

Answer

fungi

Answer

rain

Question 19

A drought has hit this grassland biome. How will this effect the rabbit population?

Accepted Answer

The rabbit population will decrease.

Answer

The rabbits will increase in number.

Answer

The rabbit population will stay the same.

Answer

The rabbit population will become extinct immediately.

Question 20

Which of these is a biotic factor in a river ecosystem?

Accepted Answer

the types of microorganisms that live in the river water

Answer

the amount of soil and other particles carried by the river

Answer

the speed at which the river water flows toward the ocean

Answer

the amount of rain that flows off the land and into the river

Question 21

In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?

Accepted Answer

the spiny cactus leaves

Answer

the thin, sandy soil

Answer

the wide temperature range

Answer

the scarcity of water

Question 22

Which lists the levels of an ecosystem in order from smallest to largest?

Accepted Answer

organism, population, community, ecosystem

Answer

ecosystem, community, population, organism

Answer

community, population, organism, ecosystem

Answer

organism, community, population, ecosystem

Question 23

How are populations different from communities?

Accepted Answer

Populations consist of one species; communities consist of many species.

Answer

Populations can contain plants and fungi; communities consist of animals only

Answer

Populations consist of many species; communities consist of one species.

Answer

Populations consist of animals only; communities can contain plants and fungi.

Question 24

an organism that benefits from its relationship with an organism that it lives in or on while the other organism is harmed

Accepted Answer

parasite

Answer

host

Answer

symbiosis

Answer

rude

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