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26 notecards = 7 pages (4 cards per page)

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HOMEWORK QUESTIONS

front 1

Which of these characteristics is shared by algae and seed plants?
A) embryo development within gametangia
B) roots and shoots
C) vascular tissue
D) pollen
E) chloroplasts

back 1

chloroplasts

front 2

Ovules are found within structure _____.

back 2

ovaries

front 3

Which of these is unique to flowering plants?

a) haploid gametophytes
b) double fertilization
c) pollen production
d) a dominant sporophyte generation
e) an embryo surrounded by nutritive tissue

back 3

double fertilization

front 4

The male gametophytes of flowering plants are also referred to as _____.

a) male sporophytes
b) embryo sacs
c) endosperm
d) megaspores
e) pollen grains

back 4

pollen grains

front 5

In flowering plants the integuments of the ovule develop into a(n) _____.

a) cotyledon
b) sporophyte
c) seed coat
d) endosperm
e) fruit

back 5

seed coat

front 6

A carpel is composed of _____.

a) stigma, style, and ovary
b) ovary, ovule, and anther
c) petal, sepal, and stamen
d) ovule, megasporocyte, and anther
e) zygote, anther, and endosperm

back 6

stigma,style and ovary

front 7

A stamen consists of _____.

back 7

anther and filament

front 8

In angiosperms, pollination is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species.

a) stigma
b) ovary
c) style
d) ovulate cone
e) anther

back 8

stigma

front 9

Where do fern antheridia develop?

back 9

on the underside of the gametophyte.

front 10

The conspicuous part of a fern plant is a _____

back 10

conspicuous, diploid sporophyte

front 11

In mosses gametes are produced by _____; in ferns gametes are produced by _____.

back 11

mitosis and mitosis

front 12

In pines, the female gametophyte contains _____, each of which contains a(n) _____.

back 12

archegonia ... egg

front 13

In pines, an embryo is a(n) _____.

back 13

immature sporophyte

front 14

In pine trees, pollen grains get to the ovule via the _____.

back 14

micropyle

front 15

Which of these statements is true about the gametophyte tissue that surrounds the pine embryo?

It functions as a haploid food reserve.
-It functions as a triploid food reserve.
-It develops from the fusion of a microspore and a megaspore.
-It functions as a diploid food reserve.
-It is the remnant of the pollen tube.

back 15

It functions as a haploid food reserve.

front 16

Of the four haploid cells produced by a pine cone's megasporocyte (megaspore mother cell), _____ survive(s).

back 16

one

front 17

In the pine, microsporangia form _____ microspores by _____.

back 17

haploid ... meiosis

front 18

In moss, _____ produce sperm.

back 18

antheridia

front 19

The sperm produced by mosses require _____ to reach an archegonium.

back 19

moisture

front 20

The following statements describe something about the body structures or functions of fungi. Identify those statements that are correct.
Select all that apply.

Nutrients can flow through the entire mycelium in fungi with coenocytic hyphae, but not in fungi with septate hyphae.
Some fungi secrete digestive enzymes into the environment and then absorb the digested nutrients.
All fungi are heterotrophs; some species live as decomposers and others as symbionts.
Some fungi can grow as either filamentous or single-celled forms.
Mycelia are made up of small-diameter hyphae that form an interwoven mass, providing more surface area for nutrient absorption.
Cellulose gives rigidity and strength to the cell walls of fungi.

back 20

Some fungi secrete digestive enzymes into the environment and then absorb the digested nutrients.
All fungi are heterotrophs; some species live as decomposers and others as symbionts.
Some fungi can grow as either filamentous or single-celled forms.
Mycelia are made up of small-diameter hyphae that form an interwoven mass, providing more surface area for nutrient absorption.

front 21

What is the Septobasidium spp?

Fungal hyphae penetrate a living scale insect's body and absorb its nutrients. The individual insect that serves as the food source is immobilized, but the rest of the insect colony benefits from the shelter the fungus provides.

back 21

parasite

front 22

Angiosperms are most closely related to _____.

back 22

gymnosperms

The branching pattern of the phylogenetic tree in the activity indicates that angiosperms are most closely related to gymnosperms.

front 23

Which of these was the dominant plant group at the time that dinosaurs were the dominant animals?

back 23

gymnosperms

Both gymnosperms and dinosaurs were dominant during the Mesozoic.

front 24

Plants evolved from green algae approximately _____ million years ago.

back 24

475

front 25

_____ are an example of seedless vascular plants.

back 25

Ferns

Ferns are seedless vascular plants.

front 26

The living plants that are most similar to the first plants to bear gametangia are the _____.

back 26

bryophytes

Bryophytes, such as mosses, are the extant plants that are most similar to the first plants to bear gametangia.