Unit 1.1 Ecosystem Stability

Open Ended

How did the wolves influence the ecosystem?

Multiple Choice

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

Multiple Choice

The place where an organism lives is called...

• Biome
• Habitat
• Abiotic
• Biotic

Multiple Choice

What is ecology?

• the study of animals

• astronaut school

• a deadly bacteria

• the study of ecosystems

Multiple Choice

What is an ecosystem?

• all the living and nonliving factors in an area

• a system of pipes and drains in a field

• all the living organisms in an environment

• an organization system used by scientists

Multiple Choice

What is competition?

• an interaction between two species where both benefit

• an interaction that occurs when two species compete for the same resource

• when one animal eats another

• a soccer game

Multiple Choice

Give some examples of limiting factors

• a balance in the ecosystem

• food, water, predators, space, disease, etc.

• desert, wetland, alpine, forest

• plants, animals, fungus

Multiple Choice

Which of the following is a true statement?

• Pinecones are abiotic because they grow on a tree.

• Dead pine needles are considered abiotic because they are no longer alive.

• Water is biotic because it is not living.

• Soil is abiotic because it is not living.

Multiple Choice

What is this?

• Food Web

• Food Chain

Match

Match the following

• Biotic

• Abiotic

• Ecosystem

living things

Nonliving things

 the relationship between living and nonliving parts of the environment

• living things

• Nonliving things

•  the relationship between living and nonliving parts of the environment

Multiple Choice

A change in a characteristic of a living thing that allows it to survive in its environment is called _____________.

• an adaptation

• an ecosystem

• migration

Multiple Choice

What is an ecosystem?

• A system of living and non-living things working together
• The flow of energy and matter
• Everything in the environment
• Photosynthesis

Multiple Choice

plants, rocks, air, sunlight, water, 

• ecosystem 
• population 
• community 

Multiple Choice

all the snakes in the area 

• organism 
• ecosystem 
• population 

Multiple Choice

snakes, mice, small birds, crickets, hawks, cactus, tumbleweed

• organism
• community
• population 

Multiple Choice

A snake 

• ecosystem 
• organism 
• population 

Categorize

Options (15)

Sun

Wind

Rocks

Water

Soil

Mountains

Desert

Ice

Plants

Animals

Fungi

Bacteria

Algae

Protozoa

Insects

Organize these options into the right categories

Abiotic

Biotic

Dropdown

The nonliving part of the ecosystem such as oxygen, water,soil are ​

Select answer

factors, while the living parts of the organisms such as plants, animals, and animal feces are ​

Select answer

factors.

Labelling

Label each group with their mode of nutrition:

Drag labels to their correct position on the image

Heterotrophs

Autotrophs

Multiple Choice

Plants need _____ to make food.

• light

• protection

• to stay warm

Multiple Choice

Biodiversity refers to…

• the variety of species in an ecosystem

• extinct species

• the rate of species decline

• nonrenewable resources

Multiple Choice

Which answer is true regarding biodiversity?

• As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity.

• The rain forest has an unhealthy ecosystem because its biodiversity is too great.

• An ecosystem is healthier when the biodiversity is great.

• Biodiversity is positively affected when non-native species are introduced into an environment

Reorder

Order the following ecosystems from most stable to least stable.

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Select

Which 2 answers are true about stable ecosystems?

• Healthy ecosystems have a stable balance between producer and consumer populations.

• Stable ecosystems have more consumers than they can support.

• Healthy ecosystems have high biodiversity.

• Stable ecosystems have too many producers.

Multiple Choice

Which ecosystem below describes a stable ecosystem?

• An invasive species decreased the amount of biodiversity by half

• This ecosystem’s deer have increased due the loss of a predator population, now the producer population has decreased by ¼.

• This ecosystem suffered a tornado, but due to great biodiversity, it was able to be restored.

• This ecosystem is impacted by overfishing, causing 3 fish species to become extinct.

Multiple Choice

An organisms ability to withstand change is called its?

• Limit

• Tolerance

• Niche

• Habitat Range

Multiple Choice

On a safari at night, a lion hunts and feeds on an antelope. In this relationship, the lion is the ____________________ and the antelope is the _________________.

• Parasite/host

• Predator/prey

• Prey/Predator

Multiple Select

Check all the natural disasters that can worsen with climate change.

• Floods

• Hurricanes

• Tornados

• Heat waves

Multiple Choice

What is causing climate change NOW?

• Human activity

• Orbital variation

• Earth's proximity to the Sun

Multiple Select

What are some activities YOU can do to help the climate change problem?

• Recycle and reuse

• Eat less meat

• Eat locally grown produce and meat

• Turn off electronics when not in use

Multiple Choice

Examples of how humans negatively affect local ecosystems are

• Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
• Creating laws to prohibit fishing from local streams.
• Planting trees and other plants to attract native species.
• Removing non-native species from the environment.

​

📍 Unit at a Glance: Following Questions are about topics we will cover for the rest of the unit.

Multiple Choice

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

Multiple Choice

How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?

• The ocean sunfish population would increase.

• The large shark population would die out.

• The squid would die out.

• There would be no change.

Multiple Choice

How might deforestation impact this ecosystem?

• Birds will increase

• Squirrels will increase

• Insects and birds will decrease

• Insects and birds will increase

Multiple Choice

A group of people in your town decide they will each use a portion of their yard to plant a variety of native plants. Fifty families replace a part of their yard with native plants.  

Which of these is most likely to happen?

• 
  The population of the town will decrease.

• 
  The biodiversity of the town will increase.

• 
  Native animals will move away.

Multiple Choice

Describe what would happen to the zebra population and the plant population if the cheetah and hyena both left the ecosystem.

• The zebra population would decrease with the absence of predators; the plant population would stay the same.

• The zebra population would greatly increase, causing the plant population to decrease.

• The zebra population would decrease, causing the plant population to increase.

• The zebra population would greatly increase, causing the plant population to also increase.

Multiple Choice

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Multiple Choice

Which organism represents an herbivore?

• Coyote

• Vulture

• Grasshopper

• Mouse

Multiple Choice

Which organisms represent carnivores?

• The hawk and snake because they eat producers.

• The coyote and vulture because they eat the remains of dead animals.

• The grasshopper and mouse because the only eat consumers.

• The hawk and coyote because they only eat consumers.

Multiple Choice

In an ecosystem, a fungus, such as the mushroom pictured here, functions as a

• autotroph

• heterotroph

• decomposer

• predator

Multiple Choice

Which of these is not a consumer?

• Tiger

• Squirrel

• Fish

• Apple Tree

Multiple Choice

What is a example of a abiotic factor?

• Panda

• Bacteria

• Butterfly

• Weather

Multiple Choice

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

• Biotic

• Abiotic

Multiple Choice

Great Danes are large dogs that were originally referred to as boar hounds because they were bred to hunt boars. They are one of the tallest dog breeds and can weigh up to 200 pounds. Great Danes are an example o which type of factor?

• Biotic

• Abiotic

Multiple Choice

An individuals success depends on its health, strength and response. This is also known as.....

• The hulk effect

• Survival of the fittest

• Top dog

• The alpha

Multiple Choice

• Pink salmon were nearly eliminated after the oil spill

• Pink salmon populations steadily declined in the 10 years following the spill

• Pink salmon populations declined and never fully recovered

• Pink salmon populations seemed to be minimally affected