Chapter 8: Ecosystems Study Guide

Energy is not destroyed, but rather is ____ by plants using sunlight. Stabilized Decreased Renewed Limited

Energy is not destroyed, but rather is ____ by plants using sunlight. Stabilized Decreased Renewed Limited

A continuous cycle as water molecule rise into the atmosphere, fall back to Earth, & flow into rivers & oceans through evaporation, condensation, & precipitation is called the _________. Carbon cycle Nitrogen cycle Biosphere Water cycle

A continuous cycle as water molecule rise into the atmosphere, fall back to Earth, & flow into rivers & oceans through evaporation, condensation, & precipitation is called the _________. Carbon cycle Nitrogen cycle Biosphere Water cycle

What level of the food chain has the most energy? Consumers Herbivores Decomposers Producers

What level of the food chain has the most energy? Consumers Herbivores Decomposers Producers

Overlapping food chains make a _______. Food web Ecosystem Energy pyramid Biome

Overlapping food chains make a _______. Food web Ecosystem Energy pyramid Biome

Which of the following is NOT cycled in the atmosphere? Nitrogen Carbon Water Soil

Which of the following is NOT cycled in the atmosphere? Nitrogen Carbon Water Soil

Why is each level of the energy pyramid smaller than the one below it? Energy increases at each level of the pyramid. Energy decreases at each level of the pyramid. Each higher level of the pyramid requires more energy. The animals in the lower levels eat all the animals in the upper levels.

Why is each level of the energy pyramid smaller than the one below it? Energy increases at each level of the pyramid. Energy decreases at each level of the pyramid. Each higher level of the pyramid requires more energy. The animals in the lower levels eat all the animals in the upper levels.

All the ducks living on a lake at the same time make up a ________. Community Biome Abiotic factor Population

All the ducks living on a lake at the same time make up a ________. Community Biome Abiotic factor Population

A coral reef in an example of a(n) ______. Abiotic factor Population Ecosystem Biome

A coral reef in an example of a(n) ______. Abiotic factor Population Ecosystem Biome

When one species in not affected & the other benefits, the symbiosis is termed ________. Commensalism Parasitism Mutualism Ecology

When one species in not affected & the other benefits, the symbiosis is termed ________. Commensalism Parasitism Mutualism Ecology

Which of the following is an example of a producer? Wolf Frog Tree Rabbit

Which of the following is an example of a producer? Wolf Frog Tree Rabbit

The number of individuals in a population occupying a definite area is called population ________. Spacing Density Capacity Limits

The number of individuals in a population occupying a definite area is called population ________. Spacing Density Capacity Limits

Which of the following is used to determine the soil type of an area? Nitrogen, carbon dioxide, & oxygen Water, rocks, & decaying matter Sand, silt, & clay The climate of the region

Which of the following is used to determine the soil type of an area? Nitrogen, carbon dioxide, & oxygen Water, rocks, & decaying matter Sand, silt, & clay The climate of the region

Organisms depend on other organisms for food, shelter, protection & reproduction. Organisms are __________. Biotic factors Habitats Niches Abiotic factors

Organisms depend on other organisms for food, shelter, protection & reproduction. Organisms are __________. Biotic factors Habitats Niches Abiotic factors

Factors that are nonliving parts of the environment are ___________. Biotic Habitat Abiotic Ecology

Factors that are nonliving parts of the environment are ___________. Biotic Habitat Abiotic Ecology

A relationship in which one species benefits at the expense of another (meaning the other is harmed) is ______. Commensalism Mutualism Competition Parasitism

A relationship in which one species benefits at the expense of another (meaning the other is harmed) is ______. Commensalism Mutualism Competition Parasitism

The _________ includes Earth’s crust, water on Earth’s surface, & atmosphere. Biomes Biosphere Hydrosphere Habitat

The _________ includes Earth’s crust, water on Earth’s surface, & atmosphere. Biomes Biosphere Hydrosphere Habitat

Air is a mixture of which of the following gases? Neon, argon, & oxygen Oxygen, nitrogen, & carbon dioxide Helium, nitrogen, hydrogen Fluorine, carbon dioxide, & radon

Air is a mixture of which of the following gases? Neon, argon, & oxygen Oxygen, nitrogen, & carbon dioxide Helium, nitrogen, hydrogen Fluorine, carbon dioxide, & radon

The study of all interactions among organisms & their environment is called _________. Symbiosis Biomes Ecology Habitat

The study of all interactions among organisms & their environment is called _________. Symbiosis Biomes Ecology Habitat

Which of the following limit the size of prey populations? Mutualism Herbivores Predators Niches

Which of the following limit the size of prey populations? Mutualism Herbivores Predators Niches

What are 2 different populations that might be present in a desert biome? Polar bears & tundra grass Scorpions & pine trees Scorpions & cactus Wolves & cactus

What are 2 different populations that might be present in a desert biome? Polar bears & tundra grass Scorpions & pine trees Scorpions & cactus Wolves & cactus

What is the top layer of Earth’s surface? Air Soil Water Temperature

What is the top layer of Earth’s surface? Air Soil Water Temperature

The pond a frog lives in is called its _____. Habitat Niche Community Biosphere

The pond a frog lives in is called its _____. Habitat Niche Community Biosphere

Biomes, communities, & populations are part of the ________. Ecosystem Biosphere Community Population

Biomes, communities, & populations are part of the ________. Ecosystem Biosphere Community Population

Factors that affect the number of individuals in a population that occupy a definite are _________. Limiting factors Growing factors Baseline Ecosystem

Factors that affect the number of individuals in a population that occupy a definite are _________. Limiting factors Growing factors Baseline Ecosystem

Sometimes environments reach a carrying _________, which is the largest number of individuals of a species than an environment can support & maintain for a long period of time. Limit Capacity Capability Boundary

Sometimes environments reach a carrying _________, which is the largest number of individuals of a species than an environment can support & maintain for a long period of time. Limit Capacity Capability Boundary

______ moves through a community as producers & consumers interact. Energy Food Evaporation Water

______ moves through a community as producers & consumers interact. Energy Food Evaporation Water

Which of the following would be classified as a result of evaporation? Rain falls to the Earth Clouds form in the atmosphere Dew collects on a car window A lake becomes shallower

Which of the following would be classified as a result of evaporation? Rain falls to the Earth Clouds form in the atmosphere Dew collects on a car window A lake becomes shallower

Which of the following statements is TRUE? Decomposers make their own food & producers absorb nutrients from decaying matter. Producers capture their own food & consumers make their own food. Producers make their own food & decomposers absorb nutrients from decaying matter. Decomposers capture their food & producers make their own food through photosynthesis.

Which of the following statements is TRUE? Decomposers make their own food & producers absorb nutrients from decaying matter. Producers capture their own food & consumers make their own food. Producers make their own food & decomposers absorb nutrients from decaying matter. Decomposers capture their food & producers make their own food through photosynthesis.

Which of the following is a biotic factor? Animals Air Sunlight Soil

Which of the following is a biotic factor? Animals Air Sunlight Soil

The law of conservation of mass states that matter on Earth is never ________. The same Lost or gained Increased Recycled

The law of conservation of mass states that matter on Earth is never ________. The same Lost or gained Increased Recycled