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Less suited species will adapt move from the area or die out. This is known as _______.
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What area of the ocean will have the most oxygen and nutrients?
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7th Grade Science

Ecology 7th Grade Science

QuestionAnswer
Less suited species will adapt move from the area or die out. This is known as _______. the competitive exclusion principle
What area of the ocean will have the most oxygen and nutrients? An area near the surface and close to the shore.
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
List some abiotic factors? Sunlight , Climate, Soil, Water and Air.
10 spiders/ square meter is an example of? Population Density
Leaf insects take on the appearance of a leaf. This is an example of_____. camouflage
What type of relationship exists between Cattle Egrets and cattle or horses? Commensalism
What is the main factor defining the differences of biomes? The climate.
What is the coldest of all biomes? The tundra
Competition between two kangaroos over a common mate would be _________. intraspecific competition
What type of relationship exists between the clown fish and the sea anemone? Mutualism
An example of a keystone species... Wolves, because they control the deer and rabbit populations
A population with equal birth and death rates will ______. remain the same size
A true statement about altricial organisms. Altrical birds are usually born blind and without feathers.
When graphed, exponential growth looks like a ______. J-shaped curve.
Some Biotic factors of a rainforest are...... frogs, rabbits and trees
The flow of energy within an ecosystem refers to_____________-. who is eaten by whom
Once a niche is left vacant what happens? A new species evolves to fill the niche.
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.
In aquatic biomes, photosynthesis occurs in the _____. photic zone.
What type of relationship exists between hookworms and humans? Parasitism
Some species of non-poisonous frogs have similar bright colors as poisonous frogs. This is an example of_______. mimicry
A population of mostly young organisms and a high birth rate will _______. grow in size
What happens to population growth as a resource becomes less available? Exponential growth becomes logistic growth
These are all examples of ecosystems. Yellowstone National Park The Great Barrier Reef The Savanna
What is the type of symbiotic relationship where only one species benefits? Commensalism
What traits may help an organism be an effective hunter? Camouflage, Speed and good sense of smell and or sight.
Abiotic factors are necessary for a thriving ecosystem. T/F True
Parasites usually kill their host. T/F False
An aquarium is its own ecosystem. T/F True
Only 2 species at the most can have the same habitat. T/F False
Aquatic biomes in the ocean are called marine biomes. T/F True
Created by: cromine
 

 



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