What animals in the Serengeti migrate?

Wildebeest, zebra and giraffes.

If the zebra and gazelle compete with the wildebeest for food, why do they all migrate together?

the large numbers of wildebeest protect zebra and gazelle from predation

The large numbers of zebra protect the wildebeest and gazelle from predation

The wildebeest numbers keep the gazelle and zebra numbers low.

All the herbivores eat different types of grass and at different times of the year.

What is the relationship between rain, grass and wildebeest migration.

Rain is essential for grass growth. The availability of grass drives the migration of the wildebeest.

There is no relationship between rain, grass and wildebeest migration.

Rain falls in different parts of the Serengeti at different times of the year. Wildebeest follow the rain because that is where the grass grows.

We discovered that it rains the most in the Northern part of the Serengeti. If rain is essential to grass growth, why don't the wildebeest stay in the North?

The wildebeest travel south at the start of the rainy season because there is more space in the south and the grass is more nutritious there.

There are too many predators in the North so they move to the South.

There is disease in the North so when wildebeest numbers drop, they move to the south.

There are some wildebeest that stay in the north all year.

If the grass is more nutritious in the south, why do the wildebeest migrate to the east and north?

All herbivores compete for the nutritious grass in the south. Eventually, the wildebeest are forced to migrate east and north in search of more food and water.

Wildebeest move east and north in order to reproduce.

The wildebeest move east and north because there are too many lions in the south.

There is not enough space and grass in the south. The wildebeest have to move east and north when the population increases.

In what year did rinderpest appear to end, why?

1960 - because a vaccine was given to cattle

1960 - because the wildebeest became resistant to the virus

In 1980 - because that is when the wildebeest reached the carrying capacity of 1.3 million

1910 to 1950 because the wildebeest population was stable

Using the graph, how long did it take the wildebeest population to recover from rinderpest? How do you know?

almost 20y - the wildebeest numbers reached carrying capacity of 1.3 million by 1980

around 10 years - the wildebeest numbers were increasing by 1970

around 30 years - the wildebeest numbers were stable until 1990

The wildebeest were affected by rinderpest for 70 years (1890 to 1960)

Around 1994, the wildebeest population dropped because of drought. What is drought and why were the wildebeest affected so badly?

a prolonged period of abnormally low rainfall , leading to a shortage of water - there was not enough food and the wildebeest died of starvation

a prolonged period of abnormally low rainfall , leading to a shortage of water - there was not enough food and the wildebeest died of anthrax

a prolonged period of abnormally low rainfall , leading to a shortage of water - there was not enough food and the wildebeest died because of predation

Using the graph, drought occurred around 1994. How long did it take the Serengeti ecosystem to recover and how do you know?

around 6 years - the wildebeest population reached carrying capacity by year 2000

it's hard to know - there was no data from 1994 to 1998

around 16 years - the wildebeest population was unstable until 2000 and then started going up again

it's hard to know - the wildebeest population has been unstable since then

Describe a keystone species.

an organism in an ecosystem that has such a large effect that if it is removed, the ecosystem changes drastically

the apex predator in an ecosystem

the middle organism in a food web

What is the keystone species in the Serengeti and why?

the wildebeest because it eats the grass to a point that wildfires are prevented and the ecosystem stays balanced

the lion because it is the apex predator and regulates the ecosystem from the top down

the wildebeest because it is the primary food source for the lion

the grass because without grass there are no herbivores, without herbivores there are no carnivores

Why is the wildebeest the keystone species for the Serengeti and not the lion?

if the wildebeest is removed from the ecosystem, the other herbivores do not eat the grass to a point that prevents wildfires - wildfires change the entire ecosystem

If the lion is removed from the ecosystem, there are still predators like the cheetah, hyena and wild dog - the ecosystem is only minimally disrupted

the wildebeest and the lion are both keystone species - they are essential to the functioning of the Serengeti ecosystem

There are no keystone species in the Serengeti ecosystem.

Why is the dung beetle important to the ecosystem of the Serengeti.

The dung beetle eats wildebeest dung and buries them in the ground providing nutrients for grass.

The dung beetle feeds the birds.

The dung beetle is not important to the ecosystem.

The dung beetle competes with grasshoppers and keeps the population in check.

All the interactions between the biotic and abiotic factors in a defined area

All the interactions between biotic factors in a defined area

All the interactions between abiotic factors in a defined area

All the interactions between living organisms in the Serengeti

the study of the interactions between organisms and the environment

Based on your knowledge of the Serengeti ecosystem, what factors does not limit population numbers of the wildebeest?

the amount of grass (food) and water

Ecology - Serengeti; Wildebeest Migration

Authored by Kelly Woolcott

Biology

9th - 12th Grade

NGSS covered

Used 9+ times

Ecology - Serengeti; Wildebeest Migration

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What group of people, in the early 1900's decided that the Serengeti was a place of unique biodiversity that needed to be protected?

African

British

German

American

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the geographical location of the Serengeti?

East Africa

West Africa

Europe

Asia

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Serengeti National Park is primarily found in which country?

Tanzania

Kenya

Africa

South America

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why did the British decide to create the Serengeti National Park

to protect the unique biodiversity of the area

to control the area

to make sure no one could live in the area

to make sure no one could hunt in the area

What year was the Serengeti National park created?

1900

1920

1951

1960

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why were the boundaries of the Serengeti National park changed?

to protect the wildebeest migration patterns and the ecosystem

to create areas where the indigenous Masai could live, raise cattle and hunt

to provide game reserves for tourism and big game hunting with a permit

all of these

Describe the climate of the Serengeti.

Cold and wet; there is a dry season from November to May

Warm and dry; there is a rainy season from November to May

Hot and humid; with a rainy season from June to October

Mild and temperate; there is not a rainy and dry season

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Ecology - Serengeti; Wildebeest Migration

What group of people, in the early 1900's decided that the Serengeti was a place of unique biodiversity that needed to be protected?

What is the geographical location of the Serengeti?

The Serengeti National Park is primarily found in which country?

Why did the British decide to create the Serengeti National Park

What year was the Serengeti National park created?

Why were the boundaries of the Serengeti National park changed?

Describe the climate of the Serengeti.

What animals in the Serengeti migrate?

What is the driving force of migration?

If the zebra and gazelle compete with the wildebeest for food, why do they all migrate together?

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