Lab Practical 3

Front 1

Without regard to the mode of population growth, which of the following best characterizes the rate of population growth?

Back 1

The slope of the population size versus time graph at any point in time.

Front 2

Which of the following characterize(s) exponential growth?

Back 2

The slope of the population size versus time graph is proportional to population size.

Front 3

Which of the following properties best distinguishes the Gymnosperms and Angiosperms from the other members of the plant kingdom that you studied?

Back 3

Gymnosperms and Angiosperms make seeds; the others do not.

Front 4

Which of the following characterizes alternation of generations?

Back 4

None of the above correctly characterize alternation of generations

Front 5

Which of the following characterize all animals?

Back 5

All of the above characterize all animals.

Front 6

Which of the following characteristic would be useful in differentiating between groups of bilaterally symmetric animals?

Back 6

Type of embyronic develpment (either protostome or deuterostome)

Front 7

Note the "Organism List" below. Which property below would best split the animals listed there into two groups?
1. Cnidarians

2. Annelids

3. Echinoderms

Back 7

Body symmetry, i.e., radial versus bilateral

Front 8

Which of the following violates a condition needed for a population to remain in Hardy-Weinberg equilibrium?

Back 8

Organisms carefully choose their mates

Front 9

Which of the following is the best definition of evolution?

Back 9

Changes in the allele frequencies in a population over time.

Front 10

Which of the following best contrasts the concepts of gene pool and genotype?

Back 10

A gene pool refers to all the genes possessed by a population; a genotype refers to the genes possessed by an individual.

Front 11

In a given population in which all of the Hardy-Weinberg assumptions are met at all times, the frequency of the "A" allele is 0.7 and the frequency of the "a" allele is 0.3. From these data, which of the following is/are true?

Back 11

The frequency of the "AA" genotype is 0.7 squared, or 0.49.

Front 12

In which of the following types of population growth is the rate of growth independent of population size?

Back 12

Linear

Front 13

Note the "Organism List" below. Which property below would best split the animals listed there into two groups?

1. Philodina

2. Squid

3. Mouse

Back 13

Coelomic status, i.e., true coeloms versus pseudocoeloms

Front 14

. Real populations rarely, if ever, reach a state of Hardy-Weinberg equilibrium. Which of the following explain(s) this observation?

Back 14

Reproductive success is dependent upon the genotype of each organism.

Front 15

Common feature of chorophytes

Back 15

chlorophyll and carotenoids

Front 16

examples of chlorophytes

Back 16

chlamydomonas and spirogyta

Front 17

Unique feature of chlorophytes

Back 17

embryos are unicellular

Front 18

common feature of nontracehophytes

Back 18

don't have tracheids

Front 19

examples of nontracehophytes

Back 19

marchantia and polytrichum

Front 20

unique feature of nontrachehophytes

Back 20

gametophyte is lobe shaped

Front 21

common feature of lycophytes

Back 21

one unbranched vein

Front 22

example of lycophyte

Back 22

selaginella

Front 23

unique feature of lycophytes

Back 23

strobilus at top of plant

Front 24

common feature of monilophytes

Back 24

don't produce seeds

Front 25

examples of monilophytes

Back 25

equisetum and ferns

Front 26

unique feature of equisetum

Back 26

true stem leaves roots and vascular system

Front 27

unique feature of ferns

Back 27

sori under leaves

Front 28

common feature of gymnosperms

Back 28

naked seed

Front 29

examples of gymnosperm

Back 29

coniferophyta, cycadophyta, and ginkgophyta

Front 30

unique feature of coniferophyta

Back 30

pine cones

Front 31

unique feature of cycadophyta

Back 31

palm like

Front 32

unique feature of ginkgophyta

Back 32

fan-shaped leaves

Front 33

common feature of angiosperms

Back 33

seed in fruit

Front 34

common feature of cnidarians

Back 34

two tissue layers

Front 35

examples of cnidarians

Back 35

hydras, jellyfish, and corals

Front 36

example of porifera

Back 36

sponge

Front 37

common feature of protosomes

Back 37

mouth develops first

Front 38

which protosomes molt?

Back 38

nematodes, arthropods

Front 39

examples of protosomes

Back 39

flat worms, rotifers, annelides, mollusks, nematodews, arthropods

Front 40

common feature of flat worms

Back 40

acoelomate

Front 41

common feature of rotifers

Back 41

pseudocoelomate

Front 42

common feature of annelides

Back 42

coelomate, segmented worms

Front 43

common feature of mollusks

Back 43

coelomate, mantle, foot, visceral mass

Front 44

common feature of nematodes

Back 44

pseudocoelomate

Front 45

common feature of arthropods

Back 45

coelom

Front 46

common feature of deuterostomes

Back 46

mouth develops second

Front 47

examples of deuterostomes

Back 47

echinoderms and chordates

Front 48

common feature of echinoderms

Back 48

water vascular system

Front 49

common feature of chordates

Back 49

notochord