Bio Final 50

Question 1

What would cause the change in allele frequency

Answer 1

Genetic drift

Question 2

Tasmanian tiger , what do you call this kind of similarity

Answer 2

Convergent evolution

Question 3

Biological species concept

Answer 3

Group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring ,(donkey+horse=mule)

Question 4

2 flatworms are grouped in the same class, they must also be grouped in the same what

Answer 4

Phylum

Question 5

Gram negative bacteria have cell walls that are

Answer 5

Thin peptidoglycan red or pink

Question 6

According to the endosymbiotic theory, of the origin of eukaryotic cells, how did mitochondria originate

Answer 6

From engulfed, originally free-living proteobacteria

Question 7

Mammals of the phylum___have bodies with 3 distinc sections, mantle, visceral mass,foot

Answer 7

Phylum mollusca

Question 8

Mammals are characterized by

Answer 8

Four limbs produce amniotic egg

Question 9

Liverworts and mosses, are thought to be some of the earliest land plants because

Answer 9

They lack vascular tissue

Question 10

Based on wow it’s diversity which phyla is the most successful of all animals

Answer 10

Arthropods

Question 11

What’s the function of a gastrovascular cavity

Answer 11

Digestion and distribution of nutrients

Question 12

Predation is similar to ____ in that both type of relationships benefit one of the interacting species while the other is harmed

Answer 12

Parasitism

Question 13

One of the most fundamental differences between prokaryotes and eukaryotes is that eukaryotes have

Answer 13

Membrane bound organelles

Question 14

Which of the following is the ecological role of bacteria

Answer 14

Decomposed/recycle nutrients

Question 15

Which of the following scenarios would most likely lead to competitive exclusion

Answer 15

A predator eats most of the prey on the tundra leaving no prey for other predators
—two species can’t coexist if they occupy the same niche

Question 16

Materials are exchanged between the blood and the surrounding tissues in the

Answer 16

Capillaries

Question 17

Alternation of generations in plants, which statement is correct

Answer 17

Diploid generation is followed by haploid generation

Question 18

Which of the following is true regarding sexual and asexual reproduction

Answer 18

Sexual reproduction is more likely to increase genetic variation than is asexual reproduction

Question 19

The evolution of land organisms, Pangea what happened with land organisms as a result

Answer 19

They split up

Question 20

In a physiological system operating with positive feedback,___

Answer 20

A change in a variable will amplify rather than reverse the change

Question 21

Which of these would cause heat exchange between an animal and it’s environment

Answer 21

The body surface, ex wind

Question 22

In an animal that flips between sexual and asexual reproduction when is sexual reproduction

Answer 22

When conditions for survival are unfavorable

Question 23

An early consequence of oxygen released by plants in bacteria photosynthesis was?

Answer 23

Cause iron in ocean water and terrestrial rocks to rust(oxidize)

Question 24

All of the following events are likely to trigger an adaptive radiation except

Answer 24

An unusual event splitting a habitat such as a severe hurricane

Question 25

Decomposition occurs faster in Texas than… what’s the reason

Answer 25

Decomposing organisms are less active in the cold

Question 26

What supergroup do red algae belong to

Answer 26

Archaeplastida

Question 27

Main function of the hyphae in a mycelium

Answer 27

Absorption and transport

Question 28

What’s the ecological role of fungi

Answer 28

Decomposer

Question 29

What statement is true regarding the relationship between roots and shoots?

Answer 29

Roots need nutrients from shoots; shoots need water and minerals from roots

Question 30

Which of the following structures can be found in roots but absent in stems

Answer 30

Endodermis