Ecology review

• Biologie
• Middelbare school
• vwo
• Leerjaar 1,2

Ecology

Today's planning:

• check exercises
• Discuss worksheet garden cress
  
• worksheet make a key
• Learn/ practice 
  

Biotic factors

Abiotic factors

community

A group of individuals of the same spiecies

The living part of the ecosystem

The non-living part of the ecosystem

Living and non living factors in a certain area

All ecosystems together

One organism

POPULATION

COMMUNITY

BIOSPHERE

ECOSYSTEM

INDIVIDUAL

BIOTOPE

The surface of the earth where we can find life is called the ...........

1. population
2. ecosystem
3. biope
4. biosphere

All the biotic and abiotic things together is called the .....

1. individual
2. ecosystem
3. community
4. population

All the living organisms of various species within a small area is the......

1. individual
2. ecosystem
3. community
4. population

PYRAMIDS OF BIOMASS ARE ALWAYS SHAPED LIKE A PYRAMID

1. TRUE
2. FALSE

SUNLIGHT IS A BIOTIC FACTOR FOR PLANTS.

1. TRUE
2. FALSE

THE WEATHER IS AN ABIOTIC FACTOR.

1. TRUE
2. FALSE

COMPETITION BETWEEN MANY SPECIES IS A BIOTIC FACTOR

1. TRUE
2. FALSE

PRIMARY CONSUMERS ALWAYS EAT:

1. PLANTS
2. PLANKTON
3. PRODUCERS
4. SECONDARY CONSUMERS

PRODUCERS ARE ALWAYS:

1. PLANTS
2. BACTERIA
3. ANIMALS THAT CAN DO PHOTOSYNTHESIS
4. ORGANISMS THAT CAN DO PHOTOSYNTHESIS

IN A FOOD CHAIN, 80% OF ENERGY IS LOST WITH EACH TROPHIC LEVEL.

1. TRUE
2. FALSE

90% is lost with every step

A PYRAMID OF NUMBERS ALWAYS HAS A PYRAMID SHAPE.

1. TRUE
2. FALSE

WHAT IS THE ROLE OF THE BLUE WHALE IN THIS FOODWEB?

1. PRODUCER
2. PRIMARY CONSUMER
3. SECONDARY CONSUMER
4. TERTIARY CONSUMER

Name a food chain with 5 links in it

If all the spiders were killed by disease, what would happen to the numbers of moth larvae?

If all the spiders were killed by disease, what would happen to the numbers of plants?

TO DO

• Test Yourself
• Practice Test
•  
  

The next couple of questions are about this foodweb. It will be on each slide under the popover.

Name all primary consumers shown in this food web.

Find the longest food chain possible shown in this food web.

A disease has affected the perches in this pond which has caused the population to drop. Please explain what happens to the other animal populations in this pond. Use as much details as possible.

A disease has affected the perches in this pond which has caused the population to disappear. Draw a new food web showing the new situation and upload the photograph of it here.

The next couple of questions are about this foodweb. It will be on each slide under the popover.

Name all apex predators shown in this food web.

Find the longest food chain possible shown in this food web.