Unit Two: Ecology The study of our fragile home

Biomes Energy Flow

Nutrient Cycles

Population Growth

Species Interacti

on

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

Question 1 - 10

The biome with a layer of soil that never unfreezes is the…

Answer 1 – 10

What is the Tundra? (the layer is known as permafrost)

Question 1 - 20

A biome has massive hardwood trees and epiphytes that grow on the bark of those trees. What is the biome?

Answer 1 – 20

The Rainforest

Question 1 - 30

What is more significant in determining the characteristics of a biome Latitude (horizontal lines) or Longitude (vertical lines)?

Answer 1 – 30

Latitude has a greater effect on the amount of sunlight that will reach any spot on Earth. So, changing the latitude of a location can greatly effect any climate. So, as we change latitude from pole to pole we see large changes in ecosystems.

Question 1 - 40What biome does this graph belong

to?

Answer 1 – 40

A Desert

Question 1 - 50

What is the largest land biome in the world?

Answer 1 – 50

The Boreal forest or Tiaga is the largest land biome in the world. In fact, it is so large that it actually effects the amount of Carbon Dioxide that is in the atmosphere each year.

Question 2 - 10

What percent of energy is passed on between each trophic level?

Answer 2 – 10

Only 10% is passed between each organism.

Question 2 - 20

What is a diagram that shows where energy is in an ecosystem.

Answer 2 – 20

An energy pyramid

Question 2 - 30 What level

consumer is the ringtail in this food web?

Answer 2 – 30

It is a secondary consumer

Question 2 - 40

What process initially leads to energy in an ecosystem?

Answer 2 – 40

Photosynthesis

Question 2 - 50

Assume a field produces 10,000 Kilocalories (units of energy) if this energy passes through three organisms how much will there be in the tertiary consumer?

Answer 2 – 50

10 Calories

Question 3 - 10

Without the process of _________________ Neither the carbon or the oxygen cycle would be possible.

Answer 3 – 10 Without the process of Photosynthesis

neither the Carbon or Oxygen cycle would be possible.

Question 3 - 20

Where does coal and gas (fossil fuels) come from?

Answer 3 – 20

Fossilized plant material

Question 3- 30

What is the nutrient cycle that most contributes to global warming?

Answer 3- 30

What is the Carbon cycle

Question 3 - 40

What are two ways that nitrogen exits the atmosphere?

Answer 3 – 40

Through lightning and the nodules on the roots of plants.

Question 3 - 50

What process do plants go through that contributes to the water cycle?

Answer 3 – 50

Transpiration

Question 4 - 10

Define the word population.

Answer 4 – 10

Your answer should include the total number of ONE species in a particular area.

Question 4 - 20

The amount of resources including food, water, and shelter are all examples of ________________________ which set the carrying capacity for a species in any given area.

Answer 4 – 20

Limiting Factors

Question 4 - 30 At what point in this graph is the food

scarce for the prey?

AB

CD

Answer 4 – 30

AT point A the food runs out for the prey

Question 4 - 40

True or false Any population that undergoes logistic growth does have a period where it is undergoing exponential growth.

Answer 4 – 40

True: initially all logistic growth is exponential until it reaches carrying capacity.

Question 4 - 50

The human population is currently undergoing exponential growth.

True or False?

Answer 4 – 50

Scientific Theory

Question 5 - 10

Dungess Crabs prey on Sundial Snails. Over generations the Sundial Snails develop thicker and thicker shells to keep the Crabs from breaking them open. At the same time the crabs claws get larger and stronger. This is an example of _________________

Answer 5 – 10

Coevolution

Question 5 - 20

What if a Loa loa worm crawls into a human eye the human is considered a _______

Answer 5 – 20

HOSTESS with the mostest!

Question 5 - 30

What is the most common herbivore in the world?

Answer 5 – 30

Insects

Question 5 - 40

Give a clear example of a mutualistic relationship. Keep your boards held since this will take a while.

Answer 5 – 40

Answers will vary

Question 5 - 50 What is the relationship between a barnacle

and a whale known as? Hint the whale is neither helped nor hurt by

the relationship

Answer 5 – 50

Commensalism