APES Unit 1: Introduction to Ecosystems

Ecosystem services

• a. are the processes by which life-supporting resources are produced.

• b. indicate the current state of the environment.

• c. are valued for their beauty.

• d. refer to abiotic features of the environment.

• e. are the processes that humans use to address environmental problems.

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Based on the image provided, which ecosystem has the highest NPP?

• Savanna

• Open ocean

• Temperate forest

• Tropical rainforest

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NGSS.HS-LS1-5

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In the hydrologic cycle, evaporation

• a. generally occurs immediately after condensation.

• b. can only be initiated in the ocean.

• c. is essentially the same process as transpiration.

• d. is caused by heat from the Sun.

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How does deforestation effect the carbon cycle?

• a. increases the amount of CO2 in the atmosphere

• b. decreases the amount of CO2 in the atmosphere

• c. increases photosynthesis

• d. increases respiration of autotrophs

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Which of these describes a mutually beneficial relationship between two organisms?

• A dog with worms in its intestine
• A turtle and a snail that both eat grass live in a river
• A honeybee pollinating a plant and receiving nectar for food
• A small fish attached to a shark, eating tiny pieces of the shark's food as it floats

Which of the examples below can BEST be described as mutualism between animals?

• A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
• Mountain lions and wolves fight each other for the same deer
• A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
• Rats live in the garbage dump of a town and rarely interact with people

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An organism that kills and eats another for food

• Predator
• Prey
• Parasite
• Plant

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Occurs when two or more organism use the same resource:

• Competition

• Mutualism

• Commensalism

• Parasitism

Relationship where one organism benefits and the other is neither harmed nor helped:

• Commensalism

• Parasitism

• Mutualism

• Competition

What factors are used to classify a biome?

• Average temperature

• Average temperature and precipitation

• Average precipitation and organisms in an area

• Average temperature, precipitation, and plants in an area