Quiz about 6th Grade Science Assessment: Ecosystems and Relationships

Question 1

Which of the following is a non-living physical or chemical part of an environment?

Accepted Answer

Abiotic factors

Answer

Nutrient cycles

Answer

Ecosystem services

Answer

Biotic factors

Question 2

What is the term for a group of individuals of the same species living in the same area?

Accepted Answer

Population

Answer

Herd

Answer

Community

Answer

Species

Question 3

A close relationship between two species where both benefit is called:

Accepted Answer

mutualism

Answer

predation

Answer

parasitism

Answer

commensalism

Question 4

Which relationship involves one organism hunting and consuming another?

Accepted Answer

Predation

Answer

Commensalism

Answer

Parasitism

Answer

Symbiosis

Question 5

A relationship where one organism benefits and the other is harmed is called:

Accepted Answer

Parasitism

Answer

Symbiosis

Answer

Commensalism

Answer

Mutualism

Question 6

The struggle between organisms for limited resources is called:

Accepted Answer

competition

Answer

parasitism

Answer

symbiosis

Answer

predation

Question 7

Which of the following is an example of a BIOTIC factor in an ecosystem?

Accepted Answer

A plant

Answer

Sunlight

Answer

Water

Answer

A rock

Question 8

Which of the following is an example of an ABIOTIC factor in an ecosystem?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Temperature

Question 9

A group of scientists is studying a lake ecosystem. They observe that the fish population has decreased significantly after a new species of water snake was introduced. What type of relationship exists between the water snake and the fish?

Accepted Answer

Predator-prey relationship

Answer

Competition for resources

Answer

Commensal relationship

Answer

Symbiotic relationship

Question 10

Bees and flowers are an example of what type of symbiotic relationship?

Accepted Answer

mutualism

Answer

parasitism

Answer

commensalism

Answer

predation

Question 11

Ticks on dogs are an example of what type of symbiotic relationship?

Accepted Answer

Parasitism

Answer

Competition

Answer

Commensalism

Answer

Mutualism

Question 12

What biotic and abiotic factors could contribute to the changes in the population of certain species in their ecosystems?

Accepted Answer

Biotic factors: predation, competition, disease; Abiotic factors: climate, temperature, water availability, soil quality.

Answer

Invasive species introduction

Answer

Overpopulation of a single species

Answer

Natural disasters like earthquakes

Question 13

The _________ levels that 2 organisms share, the more similar they are to each other.

Accepted Answer

more

Answer

fewer

Question 14

A role a species plays and includes the type of food it eats, where it lives, and its relationships with other species.

Accepted Answer

niche

Answer

habitat

Answer

ecosystem

Question 15

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

Accepted Answer

Community

Answer

Population

Answer

Ecosystem

Answer

Ecosphere

Question 16

All Biotic things in the same place at the same time.

Accepted Answer

Community

Answer

Population

Answer

Biome

Answer

Ecosystem

Question 17

A group of interbreeding organisms (species) living in the same area

Accepted Answer

population

Answer

ecosystem

Answer

community

Question 18

What is the definition of competition in biology?

Accepted Answer

The interaction where two or more organisms or species attempt to use the same limited resources

Answer

The process by which organisms produce offspring

Answer

The relationship between predators and their prey

Answer

The mutual benefit relationship between two species

Question 19

A living relationship between two species in which one organism is harmed is called...

Accepted Answer

parasitism

Answer

mutualism

Answer

commensalism

Answer

niche

Question 20

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

Accepted Answer

Parasitism

Answer

Competition

Answer

Commensalism

Answer

Mutualism

Question 21

What type of species interactions occurs when both species benefit?

Accepted Answer

Mutualism

Answer

Predation

Answer

Commensalism

Answer

Competition

Question 22

What type of species interactions occurs when one species benefits and the other is neither harmed nor benefited?

Accepted Answer

Commensalism

Answer

Predation

Answer

Mutualism

Answer

Competition

Question 23

What type of species interactions occurs when one species benefits and the other is harmed?

Accepted Answer

Predation

Answer

Mutualism

Answer

Commensalism

Answer

Competition

Question 24

The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

Accepted Answer

commensalism

Answer

parasitism

Answer

mutualism

Question 25

The crocodile and bird have a _______________ relationship.  The crocodile benefits by having its teeth cleaned.  The bird benefits by gaining food and protection.  Both animals benefit from this relationship.

Accepted Answer

mutualism

Answer

parasitism

Answer

predator and prey

Answer

commensalism

Question 26

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

Accepted Answer

Mutualism

Answer

Parasitism

Answer

Commensalism

Answer

Competition

Question 27

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

Accepted Answer

Commensalism

Answer

Parasitism

Answer

Mutualism

Answer

Competition

Question 28

True or false: herbivories are predators

Accepted Answer

True

Answer

False

Question 29

What is a special relationship between species?

Accepted Answer

Symbiosis

Answer

Resource partitioning

Answer

Parasitism

Answer

Carrying capacity

6th Grade Science Assessment: Ecosystems and Relationships

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science