Fill in the blanks with appropriate words. ________ is the study of organisms and their interaction with the surrounding environment.

• Ecology

• Biology

• Geology

• Astronomy

Fill in the blanks with appropriate words. An ________ studies the relationship between living organisms and their habitats.

• ecologist

• biologist

• geologist

• chemist

How many levels of organization are there in an ecosystem?

• Five: organism, population, community, ecosystem, and biosphere

• Four: organism, community, ecosystem, and biosphere

• Six: cell, organism, population, community, ecosystem, and biosphere

• Three: population, community, and ecosystem

Fill in the blanks with appropriate words. A ________ is a group of similar individuals, usually of a given species occupying a particular habitat at a particular time.

• population

• community

• ecosystem

• biome

Fill in the blanks with appropriate words. An ________ is a single organism, plant, animal, or microorganism, such as bacteria and fungi, capable of independent existence.

• individual

• ecosystem

• community

• population

Fill in the blanks with appropriate words. An ________ is a functional unit of nature consisting of more than a community of living organisms and their abiotic factors.

• ecosystem

• organism

• population

• biome

Fill in the blanks with appropriate words. A ________ includes populations of different species living together and sharing the same habitat in a given area.

• community

• ecosystem

• biome

• population

Fill in the blanks with appropriate words. A ________ is the total of all the ecosystems on the planet Earth.

• biosphere

• atmosphere

• hydrosphere

• lithosphere

Identify and name the different ecological levels in the diagram.

• Organism, Population, Community, Ecosystem, Biome, Biosphere

• Cell, Tissue, Organ, Organ System, Organism

• Producer, Consumer, Decomposer

• Individual, Group, Society, Culture

Identify the different ecological organization levels. Fill in the blanks with the correct levels of ecological organization. Also draw the different organisms in each level.

• The different levels of ecological organization are: individual, population, community, ecosystem, biome, and biosphere.

• The different levels of ecological organization are: cell, tissue, organ, organ system, organism.

• The different levels of ecological organization are: atom, molecule, cell, tissue, organ.

• The different levels of ecological organization are: species, genus, family, order, class.