Ecology 7th Grade Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Less suited species will adapt move from the area or die out. This is known as _______. | the competitive exclusion principle
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| What area of the ocean will have the most oxygen and nutrients? | An area near the surface and close to the shore.
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| What will happen if two species occupy the same niche? | The two species will compete with each other
One species will out-compete the other
One species may go extinct
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| List some abiotic factors? | Sunlight , Climate, Soil, Water and Air.
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| 10 spiders/ square meter is an example of? | Population Density
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| Leaf insects take on the appearance of a leaf. This is an example of_____. | camouflage
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| What type of relationship exists between Cattle Egrets and cattle or horses? | Commensalism
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| What is the main factor defining the differences of biomes? | The climate.
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| What is the coldest of all biomes? | The tundra
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| Competition between two kangaroos over a common mate would be _________. | intraspecific competition
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| What type of relationship exists between the clown fish and the sea anemone? | Mutualism
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| An example of a keystone species... | Wolves, because they control the deer and rabbit populations
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| A population with equal birth and death rates will ______. | remain the same size
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| A true statement about altricial organisms. | Altrical birds are usually born blind and without feathers.
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| When graphed, exponential growth looks like a ______. | J-shaped curve.
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| Some Biotic factors of a rainforest are...... | frogs, rabbits and trees
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| The flow of energy within an ecosystem refers to_____________-. | who is eaten by whom
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| Once a niche is left vacant what happens? | A new species evolves to fill the niche.
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| A desert biome can be described as ____. | has less plants than the rain forest, has drier soil than many other biomes and has less preipitation than many other biomes.
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| In aquatic biomes, photosynthesis occurs in the _____. | photic zone.
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| What type of relationship exists between hookworms and humans? | Parasitism
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| Some species of non-poisonous frogs have similar bright colors as poisonous frogs. This is an example of_______. | mimicry
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| A population of mostly young organisms and a high birth rate will _______. | grow in size
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| What happens to population growth as a resource becomes less available? | Exponential growth becomes logistic growth
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| These are all examples of ecosystems. | Yellowstone National Park
The Great Barrier Reef
The Savanna
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| What is the type of symbiotic relationship where only one species benefits? | Commensalism
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| What traits may help an organism be an effective hunter? | Camouflage, Speed and good sense of smell and or sight.
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| Abiotic factors are necessary for a thriving ecosystem. T/F | True
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| Parasites usually kill their host. T/F | False
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| An aquarium is its own ecosystem. T/F | True
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| Only 2 species at the most can have the same habitat. T/F | False
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| Aquatic biomes in the ocean are called marine biomes. T/F | True
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
cromine