3HT - Practice ecology

• Biologie
• Middelbare school
• havo
• Leerjaar 3

Which organism could be at number 1?

1. Water beetle
2. Pike (predatory fish)
3. Vegetable plankton
4. -

Two statments:
1. at the biological decomposition of dogfeaces nutrients are being made available to organisms
2. composting waste material makes sure that nutrients are made available for plants
Which statment is, or which are true?

1. Both are true
2. Only statement 1 is true
3. Only statement 2 is true
4. Both are false

You can categorise animals depending on foodchoice into herbivores, ominvores and carnivores. Which of these groups are called consumers?

1. Just herbivores
2. Herbivores and omnivores
3. Herbivores, omnivores and carnivores
4. Just carnivores

Certain plants bloom early on in the spring, just before the canopy of the forest closes. What type of plants are we referring to here?

1. Shade plants
2. Sun plants
3. Landplant in humid environment
4. Landplant with small thick leaves

Two statements:
1. a pyramid of numbers is always a pyramid shape
2. the amount of biomass is always biggest in the last level of the foodchain
Which statement is, or which are true?

1. Both are true
2. Only statement 1 is true
3. Only statement 2 is true
4. Both are false

What level of ecology would you put all the organisms in a woodland?

1. Ecosystem
2. Community
3. Population
4. Individual

The figure shows a drawing of the development of vegetation on a barren piece of land in five stages.
Which stage shows a pioneer community?

1. Stage 2
2. Stage 3
3. Stage 4
4. Stage 5

What level of ecology would you put all the organisms in a woodland?

1. Ecosystem
2. Community
3. Population
4. Individual

An autotroph organisms have to...

1. use substances from the non-living nature to create food
2. only use chlorophyll to produce food
3. Use energy rich compounds found in nature as food
4. feed on other organisms

In which way is energy 'lost' in an ecosystem?