Author: francesca.doust

What are protoctista? Give an example.

According to Charles Darwin’s theory, how do species develop adaptations for their roles and environment?

Salmon is a fish eaten by bears. How are salmon adapted to their role as prey?

How does the counter-current heat exchange mechanism work in penguins?

Energy in the food chain is lost in:

What is the definition of sustainable development?

Different species have different ecological niches. What does this mean?

Why might a pyramid of numbers be an odd shape (i.e. not a pyramid shape)?

Examples of endangered species are:
Why have they become endangered?

Some adaptations of camels are:

What is an alternative theory to the theory of evolution?

How do nitrogen-fixing bacteria form proteins from nitrogen in the air?

2 types of decomposers:

4 types of bacteria involved in the nitrogen cycle are:

What is a trophic level?

When relating to fishing, what is a quota?

B2 Understanding our Environment

An example of mutualism is:

Which class of animal is a whale in?

How are baleen whales adapted to feed?

A tawny owl feeds on wood mice. Wood mice feed off hazel trees. Draw the food chain.

Why are Labradors and German Shepherds not different species?

A water source has a high number of alderfly in it. What does this indicate?

Another phrase for the theory of ‘survival of the fittest’ is

In the carbon cycle, carbon is released into the atmosphere by:

If omnivores are present in the food web, why is it difficult to construct a pyramid?

How are peppered moths an example of natural selection?

The length of a food chain is limited because

What is an indicator species?

E-coli bacteria are sorted into which kingdom of organisms?

Why does a predator population peak after a peak in the prey population?

Precision is:
Accuracy is:

Why are hybrids such as mules difficult to classify?

Problems with population growth include:

The energy in a food chain comes from the _________ .

Explain the picture.

Organisms that are adapted to live in cold climates are likely to have a _________ surface area to volume ratio because