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Biology Final > Biology Sample Exam > Flashcards

Biology Sample Exam Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

______ are the mammalian group that lacks a placenta.

A

Marsupials

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2
Q

Swim bladders ______.

A

help bony fish maintain buoyancy

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3
Q

The simplest animals to have a complete digestive tract are ______.

A

roundworms

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4
Q 
All of these characteristics are shared by annelids and arthropods EXCEPT: 
A) bilateral symmetry 
B) a true coelom 
C) segmentation 
D) an exoskeleton 
E) a complete digestive tract
A

D) an exoskeleton

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5
Q

Humans are chordates. Which animal group is most closely related to chordates?
A) mollusks B) annelids C) arthropods D) echinoderms E) cnidarians

A

D) echinoderms

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6
Q

The arthropod skeleton is composed of ______.

A

chitin

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7
Q

What name is given to the food-trapping cells of sponges?

A

amoebocytes

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8
Q

Features unique to mammals include ______.

A

the presence of hair

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9
Q

______ are the most diverse group of arthropod.

A

Insects

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10
Q

Which of these animals exhibits segmentation?

A) jellyfish B) hookworm C) planarian D) grasshopper E) tapeworm

A

grasshopper

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11
Q

Having a true coelom distinguishes ______ from ______.

A

annelids . . . roundworms

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12
Q

Characteristics shared by both reptiles and birds include ______.

A

the amniotic egg

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13
Q

The ectoderm gives rise to _______________.

A

epidermis

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14
Q

The increase in global temperature that is the greenhouse effect is primarily due to ______.

A

CO2 slowing the escape of heat from Earth

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15
Q

The term “stewardship” means __________.

A

caretaker

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16
Q

Fragmented populations ______.

A

are likely to exhibit low levels of genetic diversity

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17
Q

How did scientists monitor the spread of the Kudzu vine?

A

biological control

18
Q

What factors have contributed to contributed to the overpopulation problem?

A

A. Medicinal advancements
B. Technology
C. Better quality of life

19
Q

_________ are organisms that have extensive parental care, produce fewer offspring, offspring have a longer lifespan.

A

Equilibrial

20
Q

Currently, there are ____ people on planet Earth.

A

7 billion

21
Q

The greatest threat to biodiversity is?

A

habitat destruction

22
Q

The ecological niche is __________.

A

The biotic and abiotic resources the organism consumes

23
Q

The closest algal relatives of land plants are _____.

A

charophytes

24
Q

Most bryophytes, such as mosses, differ from all other plants in that they _____.

A

lack vascular tissue

25
Q

The diploid generation of the plant life cycle is called the _____.

A

sporophyte

26
Q

The diploid sporophyte stage is dominant in the life cycle of all of the following EXCEPT _____.

a. a pine tree 
b. a rose bush 
c. a moss 
d. a fern
A

c. a moss

27
Q

In contrast to bryophytes, the dominant stage of the vascular plant life cycle is the _____.

A

sporophyte

28
Q

Pollen is __________.

A

C.Male gametophyte

29
Q

Angiosperms are different from all other plants because only they have _____.

A

flowers

30
Q

The eggs of seed plants are fertilized within ovules, and the ovules then develop into _____.

A

seeds

31
Q

difference between plants and fungi?

A

Fungi are heterotrophic and plants are autotrophic

32
Q

According to plant evolution, the first plants to have vascular tissue are?

A

Ferns

33
Q

In mosses gametes are produced by _____.

A

mitosis

34
Q

Herbivory is an example of predation. True/False

A

True

35
Q

Mutualism is summarized as a (+,-) relationship. True/False

A

False

36
Q

95% of all animals belong to the phylum Chordata. True/False

A

False

37
Q

The open ocean has the highest primary productivity of all marine ecosystems. True/False

A

False

38
Q

The seastar Pisaster is an example of a keystone predator. True/False

A

True

39
Q

Competition between individuals of the same species is termed interspecific competition. True/False

A

False

40
Q

Food and water are examples of density-dependent factors. True/False

A

True

Biology Final (2 decks)

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