Ecology 02.24.15

Question 0

What is a biosphere?

Answer 0

The portion of the earth that supports life

Question 1

What is ecology?

Answer 1

The study of the interactions of organisms and their environment

Question 2

What are biotic factors?

Answer 2

All the living organisms that inhabit an environment

Question 3

What are abiotic factors?

Answer 3

All the non living parts of the environment

Question 4

What is a population?

Answer 4

A group of organisms of one species that interbreed and live in the same area

Question 5

What is a community?

Answer 5

A collection of populations that interact with one another

Question 6

What is an ecosystem?

Answer 6

Interactions of a community and its abiotic factors

Question 7

Niche vs habitat

Answer 7

Every species had s particular function in its community

Question 8

What is a niche?

Answer 8

The role a species plays in a community

Question 9

What is a habitat?

Answer 9

The place where the organism lives

Question 10

What are autotrophs?

Answer 10

Organisms that use solar energy to make their own food

Also called producers

Question 11

What’re heterotrophs?

Answer 11

Organisms that depend on other organisms for food and energy

Also called consumers

Question 12

What are herbivores?

Answer 12

Eat only plants

Question 13

What’re carnivores?

Answer 13

Eat other heterotrophs

Question 14

What are scavengers?

Answer 14

Eat dead organisms

Question 15

What are omnivores?

Answer 15

Eat both animals and plants

Question 16

What are decomposers?

Answer 16

Absorb nutrients from dead organisms

Question 17

What is symbiosis?

Answer 17

Relationships between organisms

Question 18

What is it when one species benefits and the other is not harmed or benefited?

Answer 18

Commensalism

Question 19

What is a symbolic relationship in which both species benefit?

Answer 19

Mutualism

Question 20

What is it when a symbiotic relationship in which one species benefits and the other is harmed?

Answer 20

Parasitism

Question 21

Who made the periodic table

Answer 21

Dmitri Mendeleev

Question 22

What does the periodic table show

Answer 22

All known elements in the universe

Question 23

What does the periodic table organize

Answer 23

The elements by chemical properties

Question 24

What is the atomic number

Answer 24

The number of protons found in the nucleus of an atom or the number of electrons surrounding the nucleus of an atom

Question 25

What is the symbol

Answer 25

An abbreviation of the element name

Question 26

What is the atomic weight

Answer 26

The number of protons and neutrons in the nucleus of an atom

Question 27

How do I find the number of protons electrons and neutrons in an element using the periodic table

Answer 27

• # of protons = atomic number
• # of electrons= atomic number
• # of neutrons= atomic weight - atomic number

Question 28

What are the rows or periods of the periodic table labeled

Answer 28

1-7

Question 29

What are the alkali metals

Answer 29

Highly reactive metals that you not occur freely in nature

Question 30

Where are alkaline metals found

Answer 30

Angry flight of the periodic table

Question 31

How many electrons are in the alkali metals outershell

Answer 31

One