General Biology

Four of the five structures listed below are found in at least some protists. Select the exception. ...

Four of the five structures listed below are found in at least some protists. Select the exception. ...

Four of the five structures listed below are found in
  at least some protists. Select the exception.
  a. cell membrane
  b. pili
  c. mitochondrion
  d. eyespot
  e. food vacuole

lorenlauu   48   3 Replies

map

Four of the five protists listed below are parasitic. Select the exception.

Four of the five protists listed below are parasitic. Select the exception.

Four of the five protists listed below are parasitic.
  Select the exception.
  a. Plasmodium spp.
  b. Amoeba proteus
  c. Giardia lamblia
  d. Trypanosoma brucei
  e. Phytophthora infestans

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lacerna92   47   1 Reply

lizfloyd1

Four of the five organisms listed below are protists that form pseudopods. Select the exception. ...

Four of the five organisms listed below are protists that form pseudopods. Select the exception. ...

Four of the five organisms listed below are protists
  that form pseudopods. Select the exception.
  a. amoebae
  b. foraminiferans
  c. slime molds
  d. radiolarians
  e. diatoms

m671   44   2 Replies

m671

__________ are single-celled and mostly or entirely heterotrophic. (Fill in the blank)

__________ are single-celled and mostly or entirely heterotrophic. (Fill in the blank)

__________ are single-celled and mostly or entirely
  heterotrophic. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Some protists have complex life cycles

Moe.S   44   2 Replies

Moe.S

__________ and __________ are single-celled heterotrophs with a secreted shell. Fill in the ...

__________ and __________ are single-celled heterotrophs with a secreted shell. Fill in the ...

__________ and __________ are single-celled
  heterotrophs with a secreted shell. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Euglenoids live in freshwa

sslong79   66   1 Reply

amierivera

In nutrient-rich water, photosynthetic protists may undergo population explosions known as ...

In nutrient-rich water, photosynthetic protists may undergo population explosions known as ...

In nutrient-rich water, photosynthetic protists may
  undergo population explosions known as
  __________. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Arroyo21   69   3 Replies

tyeoi

Even after the angiosperms became the dominant plants on Earth, the conifers retained a competitive ...

Even after the angiosperms became the dominant plants on Earth, the conifers retained a competitive ...

Even after the angiosperms became the dominant
  plants on Earth, the conifers retained a competitive
  edge
  a. at high elevations in the far north.
  b. in temperate northeastern coastal regions.
  c. in mid-continent plai

YAZID   72   1 Reply

Tokelo

Most of Californias coastal redwoods have been lost to

Most of Californias coastal redwoods have been lost to

Most of Californias coastal redwoods have been lost
  to
  a. fires.
  b. fungal diseases.
  c. logging.
  d. hurricanes.
  e. decrease in soil fertility.

Question 2[br

tcromwell   44   2 Replies

tcromwell

Which of the following is NOT true concerning plants?

Which of the following is NOT true concerning plants?

Which of the following is NOT true concerning
  plants?
  a. There are at least 295,000 kinds of existing
  plants.
  b. Plants affect the composition of the atmosphere.
  c. Flowering plants are the dominant group in most

lacieb23   18   2 Replies

lacieb23

Prior to 500 million years ago, organisms were unable to venture onto land because

Prior to 500 million years ago, organisms were unable to venture onto land because

Prior to 500 million years ago, organisms were
  unable to venture onto land because
  a. the earths crust was too hot.
  b. the land was too dry.
  c. there was not enough oxygen in the atmosphere
  for respiration.
  d

tifoanug   32   2 Replies

tifoanug

Which of the photographs in the above figure represents the angiosperms?

Which of the photographs in the above figure represents the angiosperms?

Which of the photographs in the above figure
  represents the angiosperms?
  a. moss
  b. fern
  c. conifer
  d. monocot
  e. all of these

Question 2

Which of th

Eye_opener   38   2 Replies

Eye_opener

Which of the photographs in the above figure represents the gymnosperm?

Which of the photographs in the above figure represents the gymnosperm?

Which of the photographs in the above figure
  represents the gymnosperm?
  a. moss
  b. fern
  c. conifer
  d. monocot
  e. all of these

Question 2

Which of the pho

hmpark224   40   1 Reply

Roshni411

A significant event influencing the rapid evolution of plants on land after their initial ...

A significant event influencing the rapid evolution of plants on land after their initial ...

A significant event influencing the rapid evolution of
  plants on land after their initial appearance was the
  a. increase of atmospheric oxygen.
  b. reduction of ultraviolet radiation penetration
  through the atmosphere.

G.zepp   31   2 Replies

G.zepp

Flowering plants emerged (Multiple Choice)

Flowering plants emerged (Multiple Choice)

Flowering plants emerged
  a. during the Devonian.
  b. between early and late Carboniferous.
  c. during the latter part of the Permian.
  d. at the beginning of the Triassic.
  e. during the late Jurassic or early Cretaceou

bekah02   35   3 Replies

romankn

Which of the following is NOT true of xylem?

Which of the following is NOT true of xylem?

Which of the following is NOT true of xylem?
  a. conducts water up the plant
  b. conducts mineral ions up the plant
  c. connects with roots
  d. connects with leaves
  e. transports plant-manufactured organic products
[

TheBoss52034   54   3 Replies

grubbingrouch

The cuticle of a plant is primarily for

The cuticle of a plant is primarily for

The cuticle of a plant is primarily for
  a. retention of water.
  b. conduction of water.
  c. absorption of carbon dioxide.
  d. protection from strong sunlight.
  e. mechanical support.

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jai   33   3 Replies

RhondaUnicorn

Which of the following is NOT true of gametophytes?

Which of the following is NOT true of gametophytes?

Which of the following is NOT true of
  gametophytes?
  a. They are haploid plants.
  b. They produce gametes.
  c. They are the result of sexual reproduction.
  d. They are a stage in the life cycle of plants.
  e. Thei

Eminoa   52   1 Reply

mt

In the above figure, which of the following would have a haploid number of chromosomes?

In the above figure, which of the following would have a haploid number of chromosomes?

In the above figure, which of the following would
  have a haploid number of chromosomes?
  a. zygote
  b. multicelled sporophyte
  c. spores
  d. multicelled gametophytes
  e. both c and d

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Bpittinger   49   2 Replies

Bpittinger

The evolution of __________ was crucial in the evolution of plants from aquatic to terrestrial ...

The evolution of __________ was crucial in the evolution of plants from aquatic to terrestrial ...

The evolution of __________ was crucial in the
  evolution of plants from aquatic to terrestrial
  environments.
  a. roots
  b. leaves
  c. stems
  d. stomata
  e. all of these

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Maria   57   2 Replies

Maria

Which of the following are NOT seed-bearing plants?

Which of the following are NOT seed-bearing plants?

Which of the following are NOT seed-bearing
  plants?
  a. cycads
  b. ferns
  c. ginkgos
  d. angiosperms
  e. conifers

Question 2

Which of the following are NO

kkoonge   47   1 Reply

marcusb213

The above figure represents a plant structural feature with which of the following functions?

The above figure represents a plant structural feature with which of the following functions?

The above figure represents a plant structural
  feature with which of the following functions?
  a. reproduction
  b. gas exchange
  c. water conservation
  d. water transport
  e. both gas exchange and water conservati

MapHarr   37   2 Replies

MapHarr

Which of the following is NOT associated in some way with peat bogs?

Which of the following is NOT associated in some way with peat bogs?

Which of the following is NOT associated in some
  way with peat bogs?
  a. Sphagnum
  b. fuel source
  c. rapid decomposition
  d. acid environment
  e. well-preserved human bodies

Najmnour   51   2 Replies

Najmnour

Which of the following statements concerning production of bryophyte reproductive cells is true? ...

Which of the following statements concerning production of bryophyte reproductive cells is true? ...

Which of the following statements concerning
  production of bryophyte reproductive cells is true?
  a. Spores and gametes are produced by meiosis.
  b. Spores and gametes are produced by mitosis.
  c. Spores are produced by meios

TheBoss52034   40   3 Replies

Shathena

Pioneers of the American West used the plant called horsetails

Pioneers of the American West used the plant called horsetails

Pioneers of the American West used the plant called
  horsetails
  a. as pot scrubbers.
  b. as sandpaper.
  c. for decoration.
  d. for kindling.
  e. for food.

Question 2

pch123   36   2 Replies

pch123

Which of the following statements concerning fertilization in ferns is true?

Which of the following statements concerning fertilization in ferns is true?

Which of the following statements concerning
  fertilization in ferns is true?
  a. It occurs outside the egg-producing structure.
  b. It requires water.
  c. The fertilization product is haploid.
  d. A spore is the product

buttssss   41   1 Reply

miacampbell

Which of the following statements is false?

Which of the following statements is false?

Which of the following statements is false?
  a. The gametophytes of the ferns are free-living.
  b. The ferns are the largest and most diverse group
  of seedless, vascular plants.
  c. All the ferns and related primitive vascula

tempuser   39   1 Reply

Nax101

The entire structure indicated by C is a __________ gametophyte.

The entire structure indicated by C is a __________ gametophyte.

The entire structure indicated by C is a
  __________ gametophyte.
  a. moss
  b. liverwort
  c. hornwort
  d. fern
  e. gymnosperm

Question 2

A sorus is
  a. a

gangulo   35   3 Replies

leanicole22

The zygote will develop (Multiple Choice)

The zygote will develop (Multiple Choice)

The zygote will develop
  a. within E.
  b. within D.
  c. within C.
  d. within B.
  e. externally.

Question 2

Sperm swim from __________ to __________ for
  fe

bunnies   37   3 Replies

Kennykeen15

Which of the following is NOT a factor that contributed to the production of coal from the remains ...

Which of the following is NOT a factor that contributed to the production of coal from the remains ...

Which of the following is NOT a factor that
  contributed to the production of coal from the
  remains of Carboniferous vegetation?
  a. heat
  b. pressure
  c. drying
  d. decomposition
  e. compaction

[c

sneakykitti   35   2 Replies

sneakykitti

The Age of Dinosaurs can also be called the Age of

The Age of Dinosaurs can also be called the Age of

The Age of Dinosaurs can also be called the Age of
  a. Cycads.
  b. Ginkgos.
  c. Ferns.
  d. Conifers.
  e. the Seed.
 
 

Question 2

Coal is
  a. a

vicmillz   20   1 Reply

dwood775

The male gametophyte becomes (Multiple Choice)

The male gametophyte becomes (Multiple Choice)

The male gametophyte becomes
  a. ovules.
  b. seeds.
  c. pollen grains.
  d. cones.
  e. sperm cells.

Question 2

Which of the following will eventually produce a

pmulkerr   39   1 Reply

Hoepforbuddha

Megaspores are produced (Multiple Choice)

Megaspores are produced (Multiple Choice)

Megaspores are produced
  a. within ovules.
  b. within seeds.
  c. by pollen grains.
  d. by the gametophyte.
  e. by the union of egg and sperm cells.

Question 2

Th

Lost4ever   46   1 Reply

allyf328

Which of the following is NOT not true concerning conifers?

Which of the following is NOT not true concerning conifers?

Which of the following is NOT not true concerning
  conifers?
  a. They form seeds in female cones.
  b. They have needlelike and scalelike leaves.
  c. They have a thick cuticle.
  d. They have motile sperm.
  e. They a

jackiemartini09   46   3 Replies

magn0117

Which of the following plants is NOT a gymnosperm?

Which of the following plants is NOT a gymnosperm?

Which of the following plants is NOT a
  gymnosperm?
  a. cycad
  b. conifer
  c. palm
  d. ginkgo
  e. gnetophyte

Question 2

Which of the following plants are w

vicmillz   34   2 Replies

vicmillz

In conifers, the time between pollination and fertilization is

In conifers, the time between pollination and fertilization is

In conifers, the time between pollination and
  fertilization is
  a. just a few hours.
  b. about a day.
  c. about a month.
  d. about six months.
  e. a year or more.

Question 2

kkoonge   39   1 Reply

oliverb1

In pine trees, the male gametophyte is

In pine trees, the male gametophyte is

In pine trees, the male gametophyte is
  a. a megaspore.
  b. the embryonic pine seed.
  c. a pollen tube.
  d. a pollen grain.
  e. a microspore.

Question 2

A pine t

madisonraynor_   76   2 Replies

madisonraynor_

Which of the following statements about pinecones is true?

Which of the following statements about pinecones is true?

Which of the following statements about pinecones
  is true?
  a. Cones are exclusively female structures.
  b. Cones are the result of pollination.
  c. One type of cone produces microspores.
  d. Pollen grains are retained

Rnaprh   36   2 Replies

Rnaprh

Meiosis that produces microspores is indicated by

Meiosis that produces microspores is indicated by

Meiosis that produces microspores is indicated by
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

A pine seed consists of
  a. the embryo.
  b. a female

kq   30   3 Replies

madisonodom

The male gametophyte is indicated by

The male gametophyte is indicated by

The male gametophyte is indicated by
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

The megaspores are indicated by
  a. A.
  b. B.
  c. C.
 

Nikky.05   21   1 Reply

romankn

The first group with flowers are the

The first group with flowers are the

The first group with flowers are the
  a. algae.
  b. fern allies.
  c. ferns.
  d. angiosperms.
  e. gymnosperms.

Question 2

Fertilization is indicated by
  a. A.

diamonddiva007   23   3 Replies

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