Question 1

Seedless vascular plants found in deserts do not require water for sperm to reach eggs.

Accepted Answer

A) True 
 B)False

Question 2

Which mechanism is the least likely explanation for high chromosome numbers in ferns?

Accepted Answer

A)  dysploidy 
B)  polyploidy 
C)  increased independent assortment 
D)  increased recombination rates 
E)  homospory 
A)  dysploidy 
B)  polyploidy 
C)  increased independent assortment 
D)  increased recombination rates 
E)  homospory

Question 3

Seedless vascular plants were the dominant plants on Earth until their dominance ended at the end of the Carboniferous period, about ____.

Accepted Answer

A)  1.5 billion years ago 
B)  420 million years ago 
C)  250 million years ago 
D)  125 million years ago 
E)  17 million years ago 
A)  1.5 billion years ago 
B)  420 million years ago 
C)  250 million years ago 
D)  125 million years ago 
E)  17 million years ago

Question 4

Consisting of the fossilized remains of seedless vascular plant life, ____ was the first fuel to be widely used by human societies.

Accepted Answer

A)  gasoline 
B)  petroleum 
C)  natural gas 
D)  crude oil 
E)  coal 
A)  gasoline 
B)  petroleum 
C)  natural gas 
D)  crude oil 
E)  coal

Question 5

Members of the phylum ____ are considered by many researchers to be the living plants most closely related to vascular plants, based on their morphology and mitochondrial gene sequence data.

Accepted Answer

A)  Hepatophyta 
B)  Monilophyta 
C)  Bryophyta 
D)  Lycophyta 
E)  Anthocerophyta 
A)  Hepatophyta 
B)  Monilophyta 
C)  Bryophyta 
D)  Lycophyta 
E)  Anthocerophyta

Question 6

A moss sporophyte must obtain some carbohydrates from the gametophyte.

Accepted Answer

A) True 
 B)False

Question 7

A change in the number of single chromosomes without a change in the overall number of genes is called ____ and the duplication of a whole genome is called ____.

Accepted Answer

A)  haplodiploidy; dysploidy 
B)  polyploidy; haplodiploidy 
C)  polyploidy; dysploidy 
D)  dysploidy; haplodiploidy 
E)  dysploidy; polyploidy 
A)  haplodiploidy; dysploidy 
B)  polyploidy; haplodiploidy 
C)  polyploidy; dysploidy 
D)  dysploidy; haplodiploidy 
E)  dysploidy; polyploidy

Question 8

Which statement best describes fertilization in the moss life cycle?

Accepted Answer

A)  Pollen is blown by the wind to a female cone, where it forms a pollen tube that grows toward where the egg will form. 
B)  Flagellated sperm swim in a film of water on the surface of the plant to reach an egg. 
C)  Flagellated sperm are blown by the wind to a location near an egg, and then swim through plant fluids to reach the egg. 
D)  Flagellated sperm swim through plant fluids to reach an egg. 
E)  Flagellated sperm attach to the moist skin of certain animals and are transferred to the surface of the plant to reach an egg. 
A)  Pollen is blown by the wind to a female cone, where it forms a pollen tube that grows toward where the egg will form. 
B)  Flagellated sperm swim in a film of water on the surface of the plant to reach an egg. 
C)  Flagellated sperm are blown by the wind to a location near an egg, and then swim through plant fluids to reach the egg. 
D)  Flagellated sperm swim through plant fluids to reach an egg. 
E)  Flagellated sperm attach to the moist skin of certain animals and are transferred to the surface of the plant to reach an egg.

Question 9

Which geological time period of Earth's history is commonly referred to as the Coal Age?

Accepted Answer

A)  Carboniferous 
B)  Cretaceous 
C)  Devonian 
D)  Jurassic 
E)  Permian 
A)  Carboniferous 
B)  Cretaceous 
C)  Devonian 
D)  Jurassic 
E)  Permian

Question 10

Defend the argument that seedless vascular plants are among the most economically important plants that have ever lived.

Accepted Answer

When leaves, branches, and other parts o

Question 11

Today, there are at least ____ living plant species, which collectively make up the Kingdom Plantae.

Accepted Answer

A)  18,000 
B)  120,000 
C)  280,000 
D)  1,200,000 
E)  2,800,000 
A)  18,000 
B)  120,000 
C)  280,000 
D)  1,200,000 
E)  2,800,000

Question 12

Which ecological role is least likely to be performed by bryophytes?

Accepted Answer

A)  enhancing the water-holding capacity of garden soil 
B)  stabilizing soil surfaces with a biological crust in harsh places 
C)  supplying a food source for animals in the arctic tundra 
D)  providing pollination services for agricultural crops 
E)  helping to build soil on bare rock 
A)  enhancing the water-holding capacity of garden soil 
B)  stabilizing soil surfaces with a biological crust in harsh places 
C)  supplying a food source for animals in the arctic tundra 
D)  providing pollination services for agricultural crops 
E)  helping to build soil on bare rock

Question 13

Represented by only one living genus, Equisetum , ____ have leaves in whorls around a photosynthetic stem that is stiff and gritty because it is rich with silica.

Accepted Answer

A)  mosses 
B)  whisk ferns 
C)  ferns 
D)  club mosses 
E)  horsetails 
A)  mosses 
B)  whisk ferns 
C)  ferns 
D)  club mosses 
E)  horsetails

Question 14

The slender, rootlike structures found in nonvascular plants are called ____.

Accepted Answer

A)  thalli 
B)  rhizomes 
C)  gametangia 
D)  protonema 
E)  rhizoids 
A)  thalli 
B)  rhizomes 
C)  gametangia 
D)  protonema 
E)  rhizoids

Question 15

Which statement best describes fertilization in the fern life cycle?

Accepted Answer

A)  Pollen is blown by the wind to a female cone, where it forms a pollen tube that grows toward where the egg will form. 
B)  Flagellated sperm swim in a film of water on the surface of the plant to reach an egg. 
C)  Flagellated sperm are blown by the wind to a location near an egg, and then swim through plant fluids to reach the egg. 
D)  Flagellated sperm swim through plant fluids to reach an egg. 
E)  Flagellated sperm attach to the moist skin of certain animals and are transferred to the surface of the plant to reach an egg. 
A)  Pollen is blown by the wind to a female cone, where it forms a pollen tube that grows toward where the egg will form. 
B)  Flagellated sperm swim in a film of water on the surface of the plant to reach an egg. 
C)  Flagellated sperm are blown by the wind to a location near an egg, and then swim through plant fluids to reach the egg. 
D)  Flagellated sperm swim through plant fluids to reach an egg. 
E)  Flagellated sperm attach to the moist skin of certain animals and are transferred to the surface of the plant to reach an egg.

Question 16

Sperm cells form within a rounded structure called ____ in bryophytes and some other plants.

Accepted Answer

A)  antheridium 
B)  stoma 
C)  strobilus 
D)  sporangium 
E)  archegonium 
A)  antheridium 
B)  stoma 
C)  strobilus 
D)  sporangium 
E)  archegonium

Question 17

Coal was formed primarily from buried remains of nonvascular plants.

Accepted Answer

A) True 
 B)False

Question 18

A gametophyte that develops from a ____ spore is bisexual, meaning that it can produce both sperm and eggs.

Accepted Answer

A)  homosporous 
B)  polysporous 
C)  heterosporous 
D)  diplosporous 
E)  bisporous 
A)  homosporous 
B)  polysporous 
C)  heterosporous 
D)  diplosporous 
E)  bisporous

Question 19

Besides the presence of vascular tissue, what is the main importance of the plant traits that separate seedless vascular plants from nonvascular plants?

Accepted Answer

In vascular seedless plants, the presenc

Question 20

Match between columns
                        Premises: rounded structures on bryophytes in which flagellated sperm form
flask-shaped structures on bryophytes in which eggs form
zygote grows mitotically into a multicellular, diploid organism
capsules in which reproductive spores form
a pollen grain
structure in which eggs form and fertilization occurs

Accepted Answer

The Answer of male gametophyte and sporophyte and antheridia and is...

Exam 28: Seedless Plants

Seedless vascular plants found in deserts do not require water for sperm to reach eggs.

Which mechanism is the least likely explanation for high chromosome numbers in ferns?

Seedless vascular plants were the dominant plants on Earth until their dominance ended at the end of the Carboniferous period, about ____.

Consisting of the fossilized remains of seedless vascular plant life, ____ was the first fuel to be widely used by human societies.

Members of the phylum ____ are considered by many researchers to be the living plants most closely related to vascular plants, based on their morphology and mitochondrial gene sequence data.

A moss sporophyte must obtain some carbohydrates from the gametophyte.

A change in the number of single chromosomes without a change in the overall number of genes is called ____ and the duplication of a whole genome is called ____.

Which statement best describes fertilization in the moss life cycle?

Which geological time period of Earth's history is commonly referred to as the Coal Age?

Defend the argument that seedless vascular plants are among the most economically important plants that have ever lived.

Today, there are at least ____ living plant species, which collectively make up the Kingdom Plantae.

Which ecological role is least likely to be performed by bryophytes?

Represented by only one living genus, Equisetum , ____ have leaves in whorls around a photosynthetic stem that is stiff and gritty because it is rich with silica.

The slender, rootlike structures found in nonvascular plants are called ____.

Which statement best describes fertilization in the fern life cycle?

Sperm cells form within a rounded structure called ____ in bryophytes and some other plants.

Coal was formed primarily from buried remains of nonvascular plants.

A gametophyte that develops from a ____ spore is bisexual, meaning that it can produce both sperm and eggs.

Besides the presence of vascular tissue, what is the main importance of the plant traits that separate seedless vascular plants from nonvascular plants?

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

A change in the number of single chromosomes without a change in the overall number of genes is called and the duplication of a whole genome is called .