Ecosystems Week 2

Multiple Choice

Two students record the distance they traveled in 60 seconds in the data table shown.

If the students continue at the same speed, which statement describes the total distance traveled after 90 seconds?

• Student 1 traveled 40 m, and student traveled 20 m.

• Student 1 traveled 50 m, and student traveled 30 m.

• Student 1 traveled 60 m, and student traveled 30 m.

• Student 1 traveled 70 m, and student traveled 25 m.

Math Response

A sledgehammer has a mass of 3.5 kilograms. What net force, to the nearest whole newton, will a person need to apply to accelerate the sledgehammer at a rate of 4.0 m/s².

Show me the math.

Type answer here

Correct Answer: 3.5\times4=14

Deg^°

Rad

Draw

1.Draw and energy pyramid and Place the organisms in each food chain into the proper location.

(Example Grass->Deer->Coyote->Bear)

Multiple Choice

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

Multiple Choice

In this energy pyramid, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

Multiple Choice

In this energy pyramid, which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

Multiple Choice

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 3?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

Multiple Choice

The diagram is intended to show relationships in an ecosystem. What do the arrows represent?

• The direction of population migration
• Differences in dietary habits
• Progressively smaller organisms
• The direction of the energy flow

Multiple Choice

Which diagram best represents how energy would flow to and from the fox squirrel?

Multiple Choice

When there is higher biodiversity

• more organisms are likely to die because they can't adapt to environmental changes.
• there is less diversity.
• there is more diversity and higher sustainability of life.
• there is more diversity and lower sustainability of life

Multiple Choice

How do biodiversity and sustainability work together?

• The lower the biodiversity the greater the sustainability.
• The higher the biodiversity, the less sustainable the ecosystem
• The higher the biodiversity, the greater the sustainability.
• Biodiversity has nothing to do with sustainability.