Ecology And The Environment

Question 1

Habitat

Answer 1

A place where organisms live

Question 2

Population

Answer 2

All the organisms of one species in a habitat

Question 3

Community

Answer 3

All different species in a habitat

Question 4

Ecosystem

Answer 4

All organisms living in a particular area and all non-living conditions

Question 5

Order of food chain (from bottom to top)

Answer 5

Producers -> primary consumers -> secondary consumers -> tertiary consumers

Question 6

Decomposes

Answer 6

Breaks down dead materials and waste

Question 7

Why does only 1%-5% of the sunlight reaching the plant transferred into useful chemical energy

Answer 7

1. Most doesn’t hit the plants
2. Some is reflected off leaf’s surface eg: waxy cuticle
3. Some passes straight through the leaf without it hitting any chloroplast
4. Only part of the light is useful and is absorbed by chlorophyll