Ecosystems

Question 1

Richness

Answer 1

The # of species in a community

Question 2

Evenness

Answer 2

The abundance of species

Question 3

Biome

Answer 3

Large geographic area recognized by its distinct structure

Question 4

Biotic Factors

Answer 4

Living components of an ecosystem: plants, animals, and bacteria

Question 5

Abiotic

Answer 5

Non-Living components of the environment: temperature, sunlight, water, air, etc.

Question 6

Latitude

Answer 6

Distance from the equator

Question 7

What do ecosystems near the equator have more ____

Answer 7

Diversity

Question 8

Equilibrium model of island
biogeographic

Answer 8

Balance between the rate at which new species arrive and species on the land become extent

Question 9

What is the Equilibrium model of island
biogeographic shaped by?

Answer 9

1. Island Size
2. Distance to shore

Question 10

Island Size

Answer 10

1. Bigger target area, so they receive more
   immigrants
2. Lower rate of extinction because they
   can maintain large populations

Question 11

Distance from shore

Answer 11

• More immigrants from close proximity
• Lower extinction because they are
  sustained by immigration

Question 12

Keystone Species

Answer 12

Increase biodiversity despite being predators

Question 13

Ecosystem Engineers

Answer 13

Purposely changing the environment to suit their needs

Question 14

Succession

Answer 14

Gradual change in a community following a disturbance

Question 15

Primary Succession

Answer 15

Lose all of the soil

Question 16

Secondary Succession

Answer 16

Some soil is ruined. Can still recover

Question 17

Ecosystem Services: Supporting

Answer 17

Things we get from nature: Oxygen from trees

Question 18

Ecosystem Services: Provisioning

Answer 18

Naturally makes food

Question 19

Ecosystem Services: Regulatory

Answer 19

We have planted stuff there

Question 20

Ecosystem Services: Cultural

Answer 20

Enjoying the outdoors

Question 21

Habitat Fragmentation

Answer 21

Taking an intact habitat and separating it

Question 22

Edge effects

Answer 22

Edges support different
species than interior spaces

Question 23

Density Dependent

Answer 23

Can only kill you if you’re around other members of your species

Question 24

Density Independent

Answer 24

Can kill you regardless if you’re around members of your species

Question 25

Thermohalene Collapse

Answer 25

Deep ocean current is controlling the temperatures

Question 26

Less space within fragment

Answer 26

Supports fewer species, especially large mammals

Question 27

How can we protect biodiversity?

Answer 27

Geographically defined area that is designated or regulated as damaged to achieve a particular conservation objective

Question 28

Strict nature reserve

Answer 28

For scientific research only, no tourism