Cells, Organs and Populations

Name five parts of a cell that both plant and animal cells have. What three things do plant cells have that animal cells don’t?

Where is the genetic material found in bacterial cells and animal cells?

What is diffusion?

Name three substances that can diffuse through cell membrane, and two that can’t.

Give three ways that a palisade leaf cell is adapted for photosynthesis.

Give three ways that a sperm cell is adapted for swimming to an egg cell.

What is a tissue? What is an organ?

Give three examples of tissues in the human stomach, and say what job they do.

Name one organ system found in the human body.

Give an example of a plant tissue and a plant organ.

Write down the equation for photosynthesis.

What is the green substance in leaves that absorbs sunlight?

Name the three factors that can limit the rate of photosynthesis.

You carry out an experiment where you can change the light intensity experienced by a piece of Canadian pondweed by changing the distance between the pondweed and a lamp supplying it with light. Write down three important things which must be kept constant for this experiment to be a fair test

Explain why it’s important that a plant doesn’t get too hot.

Describe three things that a gardener could do to make sure she grows a good crop of tomatoes in her greenhouse.

Why is glucose turned into starch when plants need store it for later?

Write down four other ways that plants can use the glucose produced by photosynthesis.

What is a habitat?

Give five environmental factors that can affect the distribution of organisms.

Briefly describe how you could find out how common an organism is in two sample areas using quadrats.

Describe one way of using a transect to find out how an organism is distributed across an area.