Life Sciences Test Scope For Cycle Test

Question 1

Biodiversity

Answer 1

The term used to describe the variety of organisms on earth, the interactions between them, and all of the natural processes.

Question 2

Genetic Diversity

Answer 2

Refers to the variety and variation in a species

Question 3

Species Diversity

Answer 3

The number of different species that are represented in a certain area

Question 4

Key Species

Answer 4

A species that has a large effect on its environment relative to its abundance. Such species play a critical role in maintaining the structure of an ecological community.

Question 5

Endemic Species

Answer 5

A species that is found only in a certain area

Question 6

Ecosystem Diversity

Answer 6

The interaction within a specific ecosystem or between different ecosystems.

Question 7

Symbiosis

Answer 7

Organisms that live co-dependently with one another and are unable to survive without the other

Question 8

Mutualism

Answer 8

Both organisms benefit from the relationship

Question 9

Obligate mutualism

Answer 9

When one of the organisms can’t survive without the other

Question 10

Non-obligate mutualism

Answer 10

When the organisms don’t have to live with each other

Question 11

Commensalism

Answer 11

Only one organism benefits from the relationship, the other is unaffected

Question 12

Parasitism

Answer 12

One organism benefits from the relationships while the other is harmed

Question 13

Taxonomy

Answer 13

A sub-division of systematics that is the science of defining groups of organisms on the basis of common characteristics and naming those groups

Question 14

Domains

Answer 14

Eukaryotic, Archaea, Bacteria

Question 15

Kingdoms

Answer 15

Monera, Protoctista, Fungi, Plantae, Animalia

Question 16

TRUE or FALSE: The kingdom Animalia is divided into the invertebrates and the vertebrates.

Answer 16

TRUE

Question 17

FILL IN THE BLANK: _____ is written with a capital letter.

Answer 17

Genus

Question 18

FILL IN THE BLANK: Species __ _______ with a small letter.

Answer 18

is written

Question 19

FILL IN THE BLANK: Whether typed or handwritten these scientific names must be __________.

Answer 19

underlined

Question 20

FILL IN THE BLANK: If typed, because they are in Latin, they must be typed in _______.

Answer 20

italics

Question 21

FILL IN THE BLANK: When first referring to the organism, ___ ______ ___ ___ ____ __ ____.

Answer 21

one should use the name in full

Question 22

Q&A: Relative dating is the science of determining the relative order of what, without necessarily determining what?

A. future events, old age
B. dinosaurs, absolute age
C. past events, prehistoric age
D. past events, absolute age

Answer 22

D. past events, absolute age

Question 23

Q&A: Absolute dating is the process of….?

A. falling in love
B. determining an approximate age in archaeology and geology
C. using chemical to break down organic materials of prehistoric time

Answer 23

B. determining an approximate age in archaeology and geology

Question 24

Q&A: Which definition is the real meaning of radiometric dating (an absolute dating method)?

A. convert (a substance, molecule, etc.) into a radioactive form.
B. reproduction by means of a cell or organism dividing into two or more new cells or organisms.
C. a technique used to date materials such as rocks that contain elements. It is based on radioactive decay.
D. the branch of geophysics concerned with the magnetism in rocks that was induced by the earth’s magnetic field at the time of their formation.

Answer 24

C. a technique used to date materials such as rocks that contain elements. It is based on radioactive decay.

Question 25

Q&A: Paleomagnetic dating is a type of dating method that is based on changes in the ___________ and intensity of the earth’s magnetic field that occurred over time.

A. orientation
B. sex orientation
C. life orientation
D. prehistoric orientation

Answer 25

A. orientation

Question 26

TRUE or FALSE: (the list on the ‘formation of fossils’)
1. The organisms dies where it can be preserved into rock
2. The quickly-covering sediment occurs by sand or clay for aquatic and sand or mud for terrestrial
3. The soft part of the organisms are either slowly replaced by minerals or formed into a sponge
4. The cavity or impression could be filled with lava, leaving bread mould

Answer 26

FALSE.

1. The organisms dies where it can be COVERED IN SEDIMENT AND IN ANAEROBIC CONDITIONS.
2. The quickly-covering sediment occurs by sand or clay for aquatic and sand or mud for terrestrial.
3. The soft part of the organisms are either slowly replaced by minerals or DISSOLVED LEAVING AN IMPRESSION OF THE NATURAL FORM
4. The cavity or impression could be filled with MINERALS, LEAVING A MOULD

Question 27

READ: The Cambric explosion gave the abundance of fossils from the Cambrian period, the event that began around 540 mya in that period, and the event during which most major phyla appeared, could have happened due to the changes in the atmosphere such as the increased oxygen levels.
The economically important minerals, coal and oil, can be explored for in the process of finding fossils since they are needed. Fossils are also used in the tourism industry to bring in tourists.

Answer 27

I have read the text section.

Question 28

Types of Fossils

Answer 28

1. Body fossils (skeletons, bones, wood, shells)
2. Form fossils (sediments harden around an organism soon to be dissolved in acidic water)
3. Mould fossils (cavity in form of fossils)
4. Trace fossils (footprints, nail marks, tail marks)
5. Unchanged fossils (insects in resin)