Biogeography

Question 1

Kelp is the only plant that has evolved to live fully in the ocean; true or false

Answer 1

False; sea grass

Question 2

Larger Islands:

Answer 2

Are more common, can support more species, and have more biotic and abiotic features.

Question 3

Common invasive species include

Answer 3

Rodents, Snakes, Pathogens

Question 4

In the 1950s, _____ would allow us to produce maps revealing many features under water such as sea mounts, trenches, atolls, mid-ocean ridges, and continental shelves.

Answer 4

Sounding

Question 5

Oceans can be divided into ________ based on elevation: the Abyssal Plain and the Photic zone

Answer 5

2 distinct levels

Question 6

Earth’s largest and emptiest ecosystem

Answer 6

Abyssal plain

Question 7

Most life in the ocean must cling to the ____

Answer 7

coastal continental shelf region

Question 8

Occurs where members of the same population become divided by some geographical obstacle, evolve apart, only to come back together later as two completely different species

Answer 8

Ring Species

Question 9

There is NOT a geographical separation between ocean ecosystems; true or false

Answer 9

True

Question 10

The lack of sunlight in the Arctic can cause sea creatures to migrate ___ towards temperate latitudes

Answer 10

South

Question 11

Upwelling decreases the amount of nutrients being stirred up in the oceans; true or false

Answer 11

False

Question 12

The oceans cover approximately 71% of Earth’s surface; true or false?

Answer 12

True

Question 13

The Arctic Ocean is the shallowest of all oceans and has an abundance of photosynthetic organisms that grow on the continental shelf region there; true or false

Answer 13

False, the Arctic Ocean is the shallowest however does not have an abundance of photosynthetic organisms that grow on the continental shelf region

Question 14

The lack of sunlight in the Arctic regions causes sea creatures to migrate north to where the sun still shines; true or false

Answer 14

False, they migrate south

Question 15

Coral is considered to be an animal; true or false

Answer 15

True

Question 16

_______ Islands contain more Species than ____ ones

Answer 16

Larger…smaller

Question 17

_____ between habitats and a source of colonizing species affects species richness

Answer 17

Distance

Question 18

When dealing with Rate of Colonization and Rate of Extinction, _____ is where the lines cross, when the rate of colonization is equal to the rate of extinction

Answer 18

Equilibrium

Question 19

Why are islands subject to invasive species?

Answer 19

Many species have evolved into specialists, less interaction with other species = less defense, species can lose abilities needed for survival, ex. flying.

Question 20

The ocean covers __ of the Earth’s Surface

Answer 20

71%

Question 21

Kelp provides marine life ____.

Answer 21

Niches

Question 22

____ is the productive base of the entire ecosystem.

Answer 22

Kelp

Question 23

The only way to really distinguish between different marine environments is to look at their ___

Answer 23

Primary producers

Question 24

Kelp cannot grow in tropical waters due to their lack of ___

Answer 24

Nutrients

Question 25

____ can both eat and photosynthesize, giving them a competitive edge over Kelp.

Answer 25

Coral

Question 26

____ is the only plant that has evolved to live fully in the ocean.

Answer 26

Sea grass

Question 27

Why do more distant islands have fewer species?

Answer 27

distant islands can only be colonized by species with the best dispersal abilities

Question 28

___ are microscopic organisms that float in the water column seeking in the sunlight to produce energy.

Answer 28

Phytoplankton

Question 29

___ will eat the phytoplankton

Answer 29

Zooplankton

Question 30

Phytoplankton cannot photosynthesize without sunlight; true or false

Answer 30

True