What is the difference between a food chain and a food web?

A) A food chain shows a single path of energy flow, while a food web shows multiple paths.

B) A food web shows a single path of energy flow, while a food chain shows multiple paths.

C) Both show multiple paths of energy flow.

D) Both show a single path of energy flow.

Several species of warblers live in the same forest and rely on insects found in trees for food. How do they avoid direct competition with one another?

By feeding on different types of insects in separate regions of the trees.

By migrating to different forests during different seasons.

By eating plants instead of insects.

By hunting insects at night when other warblers are not feeding.

Match each type of ecological interaction with the correct definition:

A) One organism benefits, and the other is neither helped nor harmed.

B) Both organisms benefit from the relationship.

C) One organism benefits, while the other is harmed.

Which of the following pairs demonstrates a mutualistic relationship?

A) A bee pollinating a flower, where the bee gets nectar and the flower is able to reproduce.

B) A tapeworm living inside the intestines of a mammal, absorbing nutrients.

C) A bird building a nest in a tree, where the tree provides shelter but is unaffected.

D) Barnacles attaching to a whale's skin, where they get transportation but the whale is unaffected.

Which of the following pairs demonstrates a parasitic relationship?

A tick feeding on the blood of a deer, which weakens the deer while benefiting the tick.

A clownfish living among sea anemones, where the clownfish gains protection, and the anemones are not affected.

Bees pollinating flowers, where the bees get nectar, and the flowers are able to reproduce.

Two different bird species living in the same tree but not interacting directly.

Which of the following pairs demonstrates a commensalistic relationship?

B) Orchids growing on a tree branch, where the orchids get sunlight and support, and the tree is not affected.

A) A bird eating parasites off a cow, where the bird gets food, and the cow is helped by parasite removal.

C) A flea on a dog, which causes discomfort and harm to the dog.

D) A honeybee pollinating flowers, where both the bee and the flower benefit.

What role does transpiration play in the water cycle?

It is the release of water vapor from plant leaves into the atmosphere.

It is the process where water vapor condenses to form clouds.

It is the movement of water from soil into rivers and lakes.

It is the process where water evaporates directly from oceans and lakes.

Which of the following examples best illustrates a clumped population distribution?

Lions gathering around a watering hole in a dry savannah.

Penguins nesting in evenly spaced colonies along a rocky shore.

Dandelions scattered randomly across a field with no discernible pattern.

Trees spaced at regular intervals in an orchard.

Which of the following best describes a predator-prey relationship?

One organism benefits by feeding on another organism, which is harmed or killed.

Two species living in the same habitat but competing for the same resources.

Both species benefit from the relationship by helping each other survive.

One organism is harmed, and the other is unaffected by the relationship.

What typically happens to the prey population if the predator population suddenly increases?

The prey population will decrease because more are being hunted.

The prey population will increase as well due to mutual benefit.

The prey population will remain unaffected.

The prey population will go extinct immediately.

In a stable ecosystem, how do predator and prey populations generally interact over time?

The predator and prey populations follow a cyclical pattern of rising and falling.

The prey population remains constant, while the predator population fluctuates wildly.

Both populations increase indefinitely without any checks.

Both populations decrease to zero.

Which of the following scenarios shows a direct effect of a decline in the prey population on the predator population?

B) The predator population decreases due to a lack of food.

A) The predator population increases sharply as they have fewer competitors.

C) The predator population is unaffected by the prey population size.

D) The predator population immediately finds new prey without any change.

Biology Concepts: Ecosystems and Interactions

9th Grade

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38 Qs

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Biology Concepts: Ecosystems and Interactions

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Science

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9th Grade

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Practice Problem

•

Medium

•

NGSS

MS-LS2-4, MS-LS2-3, MS-LS2-1

Standards-aligned

Mick C Miller

Used 1+ times

FREE Resource

38 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the branch of Biology dealing with interactions among organisms and between organisms and their environment?

Ecology

Botany

Zoology

Genetics

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the sentence: _______ is all the living organisms (biotic) interacting with each other and their physical environment (abiotic) within a specific area.

Population

Community

Biome

Ecosystem

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a biotic factor? Soil pH, Water, Tree, Sunlight.

Soil pH

Water

Tree

Sunlight

Tags

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________ Factors - Living things in the environment that affect one another.

A) Abiotic

B) Biotic

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between a Temperate Rainforest and a Temperate Seasonal Forest?

A) Temperature

B) Precipitation

C) Location

D) Biodiversity

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Biome is characterized by: _______ - Near equator, has the most biodiversity, hot and wet year round, poor soil.

A) Tundra

B) Tropical Rainforest

C) Taiga

D) Desert

Tags

NGSS.MS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What likely happens when grasslands are converted into farmlands?

Biodiversity Increases

Biodiversity Decreases

Biodiversity Stays the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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Biology Concepts: Ecosystems and Interactions

38 questions

What is the branch of Biology dealing with interactions among organisms and between organisms and their environment?

Complete the sentence: _______ is all the living organisms (biotic) interacting with each other and their physical environment (abiotic) within a specific area.

Which of the following is a biotic factor? Soil pH, Water, Tree, Sunlight.

_________ Factors - Living things in the environment that affect one another.

What is the main difference between a Temperate Rainforest and a Temperate Seasonal Forest?

Which Biome is characterized by: _______ - Near equator, has the most biodiversity, hot and wet year round, poor soil.

What likely happens when grasslands are converted into farmlands?

___________ - Dense, shrubby vegetation. Hot, dry summers and mild, wet winters. Example: Los Angeles, California.

What does the arrow mean in a food chain?

Name the producer in the food chain:

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