Human and Social Biology Form 3

Form 3 HUMAN AND SOCIAL BIOLOGY Trinity

Teacher: Leon Abel                          Email: leonabel8@gmail.com

Week 3 Topic: Photosynthesis and Feeding Connections – Answer ALL the following questions:

1.     Write out the word and chemical equations for photosynthesis.

2.     Identify the raw materials, source of energy and product of photosynthesis.

3.     What is the function of chlorophyll in plants?

4.     Describe the relationship between carbon dioxide concentration and the rate of photosynthesis.

5.     Why does the rate of photosynthesis decrease at high temperatures?

6.     Explain why the rate of photosynthesis does not increase at high light intensities.

7.     Use the organisms in the bracket to answer the following questions – (Bird, frog, butterfly, fly, rat, peanut, flowers, snake)

a.      Draw a simplified food web

b.     State the trophic levels (producer, consumer et cetera) of each organism in the food web

c.      Draw TWO (2) different food chains, each of which have different organisms