which of the following is NOT true of evolution?

a. it is a change in the number of heterozygous and homozygous in a population

b. it is due to planned mutations

c. it is caused by natural selection

d. it is a change in a species over time

In terms of natural selection, which is most important? 

a. a long life

b. reproductive success

c. strength

d. beauty

The similarity of the embryos of fish, frogs, and birds and humans is evidence of

a. analogy

b. diversifying selection

c. common ancestry

d. genetic drift

natural selection results in

a. increased genetic variation

b. increased population size

c. decreased population size

d. offspring adapted to their current environment

The smallest unit of evolution is

a. population

b. phylum

c. species

d. community

Genetic drift is the result of

a. differential reproductive success

b. a large gene pool

c. overpopulation

d. chance

The founder effect differs from a population bottleneck in that the founder effect  (blank).

a. involves the isolation of a small colony of individuals from a larger population

b. is a type of natural selection

c. affects an entire population

d. affects an entire species

A species of wild flower has a range of pink blossoms, from light to medium to dark pink. It has two pollinators. One pollinator is attracted mainly to the light pink flowers and the other to dark pink flowers. What type of natural selection will occur to the population of flower over generations?

a. Directional selection   c. stabilizing selection

b. disruptive selection   d. artificial selection

Which of the following is NOT a requirement of natural selection?

a. differential reproductive success

b. genetic variation

c. catastrophic events

d. inheritance

which of the following can create new alleles?

a. sexual reproduction

b. planning

c. mutation

d. genetic drift

Gene flow is accomplished by

a. mutation

b. genetic drift

c. migration

d. mitosis

a population of guppies with spots of varying brightness are placed in a pool with aggressive predators. What will happen to the population of guppies over generations

a. bright spots will be selected for and the pop. will evolve to have more bright spots

b. Bright spots will be selected against and the pop. will evolve to have less members with bright spots

c. Nothing

d. the pop. will evolve to have more males than females

which of the following is an example of a postzygotic reproductive barrier between species

a. hybrid sterility

b. temporal isolation

c. behavioral isolation

d. mechanical isolation

one species of pine trees releases its pollen in early spring. another species releases its pollen in the late summer. This is an example of

a. habitat isolation

b. temporal isolation

c. behavioral isolation

d. hybrid inviolability

in both alloptric and sympatric speciation members of a population must have becoms (Blank) isolated from each other.

a. geographically

b. temporally

c. emotionally

d. reproductively

during what epoch did the major radiation of mammels occur?

a. tertiary

b. Paleocene

c. Cenozoic

d. Triassic

During what period did plants originate?

a. carboniferous

b. paleozoic

c. cambrian

d. ordivician

What allowed that major radiation of mammals?

a. the permian exinction

b. the ice ages

c. plate techtonics

d. the cretaceous extinction

to what genus does the common mouse Mus musculus belong?

a. mammal

b. animal

c. Mus

d. musculus

To what family do humans belong?

a. Homindae

b. chordates

c. Homo

d. sapiens

Which of the following is NOT a eukaryotic kingdom?

a. animal

b. plant

c. fungi

d. echinoderm

which one of the following groups includes only prokaryotic organisms?

a. acrchaea

b. protists

c. sponges

d. fungi

Organisms that are members of the same class must also be members of the same (Blank).

a. genus

b. species

c. order

d. phylum

The fact that life had to start abiotically is known as

a. natural selection

b. the biogenesis paradox

c. sympatric speciation

d. allopatric speciation

Prokaryotes are thought to have evolved

a. 4.5 billion years ago

b. 3.5 billion years ago

c. 3 bya

d. 540 mya

The first self replicating biology is thought to have been? 

a. protein

b. DNA

c. carbohydrates

d. RNA

Which of the following are thought to have evolved directly from prokaryotes?

a. Protist

b. Animals

c. Plants

d. chordates

which of the following divide by binary fission?

a. animals

b. plants

c. prokaryotes

d. gametes

which of the following is a protist?

a. slime mold

b. algae

c. seaweed

d. all of the above

Mitochondria and chloroplasts are thought to have evolved by the process of

a. endosybiosis

b. membrane infolding

c. oxygenation

d. genetic drift

You discover a prokaryote that can make its own food in the absence of light. It requires no organic molecules. Nutritionally, you would classify this pro. as a

a. chemoautotroph

b. photoautotroph

c. photoheterotroph

d. chemoheterotroph

What type of organism must ingest its food?

a. bacteria

b. fungi

c. animals

d. slime mold

The (blank) helps plants retain water

a. cuticle

b. hyphae

c. bacteria

d. chitin

which of the following consists of hyphae, gains nutrition throught absorption, and has chitin cell walls?

a. Fungi

b. Protozoa

c. bacteria

d. angiosperms

which of the following can be found in spherical, rod or spiral cell shapes?

a. fungi

b. protozoa

c. bacteria

d. angiosperms

which of the following type plants lack a vascular system

a. angiosperms

b. gymnosperms

c. ferms

d. mosses

which part of the plant attracts the pollinators

a. seed

b. fruit

c. flower

d. vascular tissue

A pine tree is an example of a

a. echinoderm

b. gymnosperm

c. angiosperm

d. bryophyte

Which of the following is an advantage that seed gives to plants

a. Nourishment for the seedling

b. dormancy until good growing conditions are present.

c. Protects the plant during dispersal

d. all of the above.

What part of the flower produces the pollen?

a. carpel

b. ovary

c. anther

d. sepal

what tissue(s) are only found in animals?

a. nervous

b. epithelial

c. muscle

d. both a and c

there are more species of (blank) than any other type of animal

a. flatworms

b. arthopods

c. annelids

d. chordates

What phylum is most closely related to chordates?

a. Echinoderms

b. arthropods

c. Moluscs

d. archaea

which of the following did not evolve from flatworms

a. annelids

b. arthropods

c. roundworms

d. cnidarians

which organism have no true tissues?

a. chodates

b. molluscs

c. sponges

d. cnidarian

Which phylum do fish belong to?

a. arthropods

b. molluscs

c. echinoderms

d. chordates