When a population grows past the ecosystem's carrying capacity, what happens to the population?

The population starts to die off and returns to the carrying capacity.

It continues to grow higher and higher.

The population will go extinct due to lack of resources.

What is the carrying capacity mean?

The number of individuals an area can carry

The number of deaths an area has

Define "carrying capacity"

maximum number of individuals of a species that an environment can support

any factors in an environment that are limited

when population increases slowly at first then grow at an accelerated rate

minimum number of individuals of a species that an environment can support

Define "limiting factor"

anything that constrains a population's size and slows or stops it from growing

when population increases slowly at first then grow at an accelerated rate

minimum number of individuals of a species that an environment can support

maximum number of individuals of a species that an environment can support

overshoot of the carrying capacity

What happens if a population grows past its carrying capacity?

The population starts to die off

The entire species will go extinct

The carrying capacity just increases

What prevents new wolves from naturally migrating to the island?

high temperatures prevent ice bridges

The lake dries up in the summer

What is primary succession?

The process of ecological succession that occurs in an area that has never been colonized before.

The process of ecological succession that occurs in an area with a low biodiversity.

The process of ecological succession that occurs in an area with a high biodiversity.

The process of ecological succession that occurs in an area that has been previously colonized.

What is secondary succession?

The process of ecological succession that occurs in a previously inhabited but disturbed or destroyed area.

The process of ecological succession that occurs in a marine ecosystem.

The process of ecological succession that occurs in a primary forest.

The process of ecological succession that occurs in a previously uninhabited area.

What are the primary factors that initiate primary succession?

Disturbances or absence of soil

What is the difference between primary and secondary succession?

Primary succession occurs in areas where no ecosystem existed before, while secondary succession occurs in areas where an ecosystem has been disturbed or destroyed.

Primary succession occurs in areas where an ecosystem has been disturbed or destroyed, while secondary succession occurs in areas where no ecosystem existed before.

Primary succession occurs in areas where an ecosystem has been destroyed by human activity, while secondary succession occurs in areas where an ecosystem has been destroyed by natural disasters.

Primary succession occurs in areas where an ecosystem has been disturbed by invasive species, while secondary succession occurs in areas where an ecosystem has been disturbed by climate change.

Give an example of primary succession.

Colonization of bare rock by lichens and mosses

Establishment of a mature forest after a wildfire.

Growth of grasses and shrubs in a forest understory.

Give an example of secondary succession.

Urban area undergoing gentrification.

Ocean ecosystem recovering from an oil spill.

Grassland converted into farmland.

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

Lichens → Grasses → Shrubs → Trees

Lichens → Shrubs → Grasses → Trees

Lichens → tree → shrubs→Grasses

Grasses → Lichens → Shrubs → Trees

When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?

Non-native plants compete with native plants for resources

Non-native plants are able to mutate rapidly

Non-native plants cause native animals to relocate

Non-native plants are able to be used for medicine

1. What makes a species invasive?

Moving to a new ecosystem and taking resources from natives

Plants that take up too much space

What effect will an invasive species have on the carrying capacity of an ecosystem?

The carrying capacity will only decrease for those in competition for same resource

The carrying capacity will increase

The carrying capacity for everyone will decrease

The carrying capacity for all animals will stay the same

The field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:

B. A lack of a native species to eat the field mouse

Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:

Competition occurring between the native and invasive species

Parasitism between kudzu and the native plants

A predator prey relationship between ground plants and kudzu

Commesalism occurring between the kudzo and native plants

Unit 2 Buckthorn Review

Authored by Matthew Geister-Jones

Biology

10th Grade

NGSS covered

Used 5+ times

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47 questions

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MULTIPLE CHOICE QUESTION

1 min • 5 pts

A relationship between two organisms in which one organism benefits and the other is unharmed...

Mutualism

Competition

Parasitsm

Commensalism

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.

commensalism

mutualism

parasitism

predation

Tags

NGSS.MS-LS1-4

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks.

commensalism

mutualism

parasitism

predation

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A relationship between two organisms in which both organisms benefit.

Mutualism

Competition

Parasitsm

Commensalism

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

An organism that is killed and eaten by another organism

Predator

Prey

Competition

Adaptation

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

One organism hunts and eats another organism.

predation

mutualism

carnivore

parasitism

Tags

NGSS.MS-LS2-2

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select all the types of dispersion.

random

uniform

splattered

clumped

blobs

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Unit 2 Buckthorn Review

A relationship between two organisms in which one organism benefits and the other is unharmed...

What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.

What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks.

A relationship between two organisms in which both organisms benefit.

An organism that is killed and eaten by another organism

One organism hunts and eats another organism.

Select all the types of dispersion.

A group of ants find a dropped cookie. What kind of dispersion would they display?

A near equal spacing is ________ dispersion.

This type of dispersion is considered unpredictable.

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