CH 13-17 Review

results in evolutionary adaptation

Natural selection ______.

common ancestry

Homology is evidence of ______.

population

The smallest biological unit of evolution is a(n) _______.

homology

The presence of gills in both fish and human embryos is an example of ____________.

directional selection

Which type of selection shifts a phenotypic curve in favor of one extreme phenotype?

Systematics

_____________ is the study of evolutionary relationships.

bacteria

The biological species concept cannot be applied to ______.

genetic isolation

Speciation requires ______.

geographic isolation

Sympatric speciation excludes ____________.

punctuated equilibrium

A pattern of evolution in which most change in appearance occurs rapidly fits the ________ model of speciation.

Plantae and Fungi

Which kingdom(s) colonized land first?

mutation

Variation among pre-cells was due to _____.

binary fission

Prokaryotes reproduce by means of ______.

spontaneous generation

The abiotic origin of life is referred to as _________.

photoautotrophs

All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category?

cuticle

The _____ helps plants retain water.

mosses

Which of the following types of plants lacks vascular tissue?

seeds

Which of these adaptations to a terrestrial existence evolved most recently?

Ferns

____________ are seedless vascular plants.

anthers

In angiosperms, the male gametophyte develops within _______.

They all have a notochord.

Which of the following is a characteristic of all chordates?

Flatworms

__________ are the simplest animals that exhibit bilateral symmetry.

absence of a jaw

Among vertebrates, the unique feature of agnathans is the _______.

arthropod

There are more species of __________ than of any other type of animal.

echinoderms

Humans are chordates. Which animal group is most closely related to chordates?

migration

Gene flow is accomplished by _______.

Crustaceans

are nearly all aquatic, multiple limbs

Amphibians

exhibit a mixture of aquatic and terrestrial adaptations, usually need water to reproduce

ectotherms

sometimes referred to as "cold-blooded," which means that they obtain body heat from the environment.

plant

multicellular eukaryote and a photoautotroph, making organic molecules by photosynthesis.

roots

subterranean organs

shoots

aerial leaf-bearing organs

stomata

microscopic pores found on a leaf's surface, for the exchange of carbon dioxide and oxygen with the atmosphere

vascular tissue

a system of tube-shaped cells that branch throughout the plant, for the transport of vital materials

gametangia

which have a jacket of protective cells surrounding a moist chamber where gametes can develop without dehydrating.

Fungi

eukaryotes, typically multicellular

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CH 13-17 Review

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results in evolutionary adaptation

Natural selection ______.

common ancestry

Homology is evidence of ______.

population

The smallest biological unit of evolution is a(n) _______.

homology

The presence of gills in both fish and human embryos is an example of ____________.

directional selection

Which type of selection shifts a phenotypic curve in favor of one extreme phenotype?

Systematics

_____________ is the study of evolutionary relationships.

bacteria

The biological species concept cannot be applied to ______.

genetic isolation

Speciation requires ______.

geographic isolation

Sympatric speciation excludes ____________.

punctuated equilibrium

A pattern of evolution in which most change in appearance occurs rapidly fits the ________ model of speciation.

Plantae and Fungi

Which kingdom(s) colonized land first?

mutation

Variation among pre-cells was due to _____.

binary fission

Prokaryotes reproduce by means of ______.

spontaneous generation

The abiotic origin of life is referred to as _________.

photoautotrophs

All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category?

cuticle

The _____ helps plants retain water.

mosses

Which of the following types of plants lacks vascular tissue?

seeds

Which of these adaptations to a terrestrial existence evolved most recently?

Ferns

____________ are seedless vascular plants.

anthers

In angiosperms, the male gametophyte develops within _______.

They all have a notochord.

Which of the following is a characteristic of all chordates?

Flatworms

__________ are the simplest animals that exhibit bilateral symmetry.

absence of a jaw

Among vertebrates, the unique feature of agnathans is the _______.

arthropod

There are more species of __________ than of any other type of animal.

echinoderms

Humans are chordates. Which animal group is most closely related to chordates?

migration

Gene flow is accomplished by _______.

Crustaceans

are nearly all aquatic, multiple limbs

Amphibians

exhibit a mixture of aquatic and terrestrial adaptations, usually need water to reproduce

ectotherms

sometimes referred to as "cold-blooded," which means that they obtain body heat from the environment.

plant

multicellular eukaryote and a photoautotroph, making organic molecules by photosynthesis.

roots

subterranean organs

shoots

aerial leaf-bearing organs

stomata

microscopic pores found on a leaf’s surface, for the exchange of carbon dioxide and oxygen with the atmosphere

vascular tissue

a system of tube-shaped cells that branch throughout the plant, for the transport of vital materials

gametangia

which have a jacket of protective cells surrounding a moist chamber where gametes can develop without dehydrating.

Fungi

eukaryotes, typically multicellular

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