Chapter 4 The Living World

Question 1

Ecology

Answer 1

The branch of biology that deals with the relations of organisms

Question 2

Intraspecific

Answer 2

Organisms in the same species

Question 3

K species

Answer 3

Generalist species, live in broad niches

Question 4

R species

Answer 4

Specialist species, live in narrow niches and are sensitive to environmental changes

Question 5

Amensalism

Answer 5

The interaction between two species whereby one species suffers and the other is not affected. EX: black walnut tree released a chemical that kills plants

Question 6

Commensalism

Answer 6

Two species whereby one benefits and the other is not affected. EX: using another organism for transportation

Question 7

Benthos (biomes)

Answer 7

Bottom of oceans. No sunlight, therefore no plant life.

Question 8

Coastal zones (biomes)

Answer 8

Includes warm, clear, shallow ocean habitats near land.

Question 9

20% of all land mass

Answer 9

Deserts

Question 10

Found in areas too dry for forests but too wet for deserts. Temperatures are moderate.

Answer 10

Grasslands

Question 11

Intertidal

Answer 11

Area of the shoreline exposed to water during high tide and air during low tide.

Question 12

Savannas (biomes)

Answer 12

Warm year around. Scattered trees. Kind dry season followed by a rainy season.

Question 13

Photosynthesis

Answer 13

Plants remove cabin from the air

Question 14

Primary producers are

Answer 14

Autotrophs (plants)

Question 15

Primary consumers

Answer 15

Heterotrophs ( herbivores- plant eaters)

Question 16

10% rule

Answer 16

Approximately 10% of energy entering one level passes to the next

Question 17

Types of succession in order (4)

Answer 17

• Primary
• Progressive
• Retrogressive
• Secondary

Question 18

Biggest threat to species is

Answer 18

Loss of habitat