Duplicate of Ecology

Which two biomes are the most similar with regard to rainfall?

What is one difference between primary and secondary succession?

Choose ALL that apply to the Water Cycle

Biology that deals with the relationships of organisms to one another and their surroundings.

Which state is not true about respiration?

Primary succession can begin after

They consume dead organisms; examples are mushrooms, worms, and bacteria

What do plants do with the nitrogen they absorb?

Which biome is characterized by a layer of permafrost?

What is the term for each step in the transfer of energy and matter within a food web?

A symbiotic relationship in which both species benefit is

The eastern portion of the United States is dominated by what biome?

In the food web shown, the population with the lowest biomass (energy available) is

Animals absorb nitrogen through eating plants

A plant uses a gas from the air to make sugar during photosynthesis. This process is part of

They make their own food

The types and numbers of species in a given area is most greatly determined by the area's

Tapeworms live inside dog intestines, use nutrients the dog takes in, and make the dog sick.

The diversity of life in the world or in a particular habitat or ecosystem.

What is the original source of almost all the energy in most ecosystems?

Which of the following represents an abiotic factor found in an ecosystem?

Which organism in this food chain would be considered a secondary consumer?

Group of individuals belonging to the same species that live in the same region and same time.

The algae at the beginning of the food chain in the figure below are

The location or environment where an organism is most likely to be found (where it lives)

Interactions among living things can be described by which of the following relationships?

Living organisms along with the nonliving components of their environment (air, water and soil)

Which process takes place in ALL organisms?

Density-dependent limiting factors operate most strongly on large populations with high density

Fungi, worms, and bacteria are all parts of a woodland ecosystem. What is their role?

Populations of different species occupying the same geographical area at particular time

The largest group of organisms capable of reproducing fertile (can make babies) offspring.

All of the following represent the living components of an ecosystem EXCEPT

Plants and animals that have common characteristics for the environment they exist in.

Biodiversity is greatest in which biome?

Which of these food chains is in the correct order?

Which is a biotic factor that affects the size of a population in a specific ecosystem?

A small farming community covers 10 km² There are 400 individuals. What is population density?

Which would be least likely to be affected by a density-dependent limiting factor?

Where are nitrogen fixing bacteria found?

Which of the following tells you population density?

The gradual process by which ecosystems change and develop over time

The global sum of all ecosystems; the total sum of all life on Earth

These two processes help cycle carbon and oxygen through ecosystems

A biotic or abiotic resource in the environment that causes population size to decrease is a