BioChem: Ecology (Part#1) Review

Question 1

What type of organism is required to START any & all food-chains (and webs)?

Accepted Answer

Any Producer

Question 2

Which of these is considered a 100% POSITIVE human impact on the environment?

Accepted Answer

Zoning wildlife refuge land for endangered species.

Question 3

What is the correct levels for ecological organization?

Accepted Answer

Biosphere>Biome>Ecosystem>Community>Population>Organism

Question 4

What could qualify a plant or animal SPECIES as being "Endangered"?

Accepted Answer

Their geographic area is rapidly declining., They are at risk of going extinct within the next 20-yrs.

Question 5

The continent of North America is considered 1-big biosphere.

Accepted Answer

False

Question 6

Which of these represents an Abiotic-to-Abiotic interaction?

Accepted Answer

Heavy winds eroding rocks.

Question 7

A "red" squirrel & a "grey" squirrel living in the same park are part of the SAME population.

Accepted Answer

False

Question 8

Which of these represents an Abiotic-to-Biotic interaction?

Accepted Answer

Sunlight causing your sunburn., Birds taking a dirt-bath.

Question 9

What types of organism is MOST important for helping matter to recycle within an ecosystem?

Accepted Answer

Decomposers (like worms & mushrooms)

Question 10

Which of these represents a Mutualistic relationship?

Accepted Answer

Ants living on an acacia tree.

Question 11

Which of the following is NOT a defining CONDITION for a BIOME?

Accepted Answer

Common "Indigenous" Plant Species, Common "Indigenous" Animal Species

Question 12

Which of these represents a commensalism relationship?

Accepted Answer

Barnacles growing on a whale.

Question 13

Why do these bird species all "forage" at slightly different heights on the same trees?

Accepted Answer

They have slightly different ecological niches.

Question 14

The continent of North America contains at least 5-6 different Biomes.

Accepted Answer

True

Question 15

Where is the ENERGY stored & found within this water molecule?

Accepted Answer

In the BONDS between the O & Hs

Question 16

JUST the guppy fish living together in the same tank?

Accepted Answer

A population

Question 17

The light, temperature, stones & water in this tank?

Accepted Answer

The Abiotic factors

Question 18

All the fish, plants, algae, stones & water in the same tank?

Accepted Answer

An ecosystem

Question 19

How could you classify ALL the "Grasslands" of Africa?

Accepted Answer

As a "biome"

Question 20

What is the original source of energy for almost all life on Earth?

Accepted Answer

Sunlight

Question 21

Why are "energy pyramids" shaped like pyramids instead of towers?

Accepted Answer

Because 90% of the energy is released as HEAT from each level., To show how only 10% of energy passes from 1-level to the next.

Question 22

Which way should the arrows ALWAYS point in a food-chain or web?

Accepted Answer

They should always point to the consumer.

Question 23

What could you call ALL the little black "water-beetles" living inside Sussex Tech high school?

Accepted Answer

A population

Question 24

Which of the following is an "abiotic" factor of an ecosystem?

Accepted Answer

water

Question 25

Which of these represents a biotic-to-biotic interaction?

Accepted Answer

Ivy choking a tree.

Question 26

Which scientists like to study ecology?

Accepted Answer

Ecologists

Question 27

All the blue crabs living in the Delmarva bay are part of the same population.

Accepted Answer

True

Question 28

What do we call the study of living organisms & their surroundings?

Accepted Answer

Ecology

Question 29

What type of population growth is displayed between 1800 till about 1970 (The "J" curve)?

Accepted Answer

Exponential Growth

Question 30

Which of the following is an example of an ORGANISM?

Accepted Answer

An Amoeba, A Mushroom, A Redwood Tree

Question 31

What is the significance of about "9-billion" for the human population?

Accepted Answer

It is the carrying capacity.

Question 32

Which of these represents a Predator-Prey relationship?

Accepted Answer

Cheetah eating a gazelle.

Question 33

What type of population growth is displayed across the entire graph (The "S" curve)?

Accepted Answer

Logistical Growth

Question 34

Name this BIOME...(mostly cold w/ frozen-precipitation)...

Accepted Answer

Arctic Taiga

Question 35

All the fish, plants and algae living in the same tank?

Accepted Answer

A community

BioChem: Ecology (Part#1) Review

Questions 35

BioChem: Ecology (Part#1) Review

Questions 35