science lesson 2 topic 3
問題一覧
1
sporophyte and gametophyte
2
A plant produces the spores that will eventually develop into gametophytes
3
Male and female gametophyte produce sex cells that will eventually be involved in the process of fertilization which occurs when a sperm cell unites with an egg cell to produce a new organism
4
Moses and other non-vascular plants
5
Spores
6
A fertilized egg
7
Male and female structures
8
A new Sporophyte begins to develop
9
Gymnosperms and angiosperms
10
Inside structures within a larger sporophyte
11
Inside cones
12
They develop inside the flowers
13
pollen
14
pollen contains cells that will mature into sperm cells
15
Female gametophyte
16
The process of transferring Pollen from male reproductive structures to female reproductive structures in plants
17
before fertilization can occur
18
dominant
19
producing Many exact copies of itself
20
pollen
21
ovule
22
the reproductive structures of gymnosperms.
23
the structure holding the egg
24
sticky substance needed for pollination
25
pollen from the male cone
26
on the sticky female cone
27
The egg may become fertilized
28
are naked ( unprotected )
29
The scales open exposing the seeds
30
they are blown out of the cone and spread by the wind
31
When Pollen forms in the flowers anther
32
stigma,style and ovary
33
It becomes coated with pollen
34
Colorful sepals and green sepals
35
a sepal There is often pleasantly scented petals surrounding the plans reproductive organs and attract pollinators
36
Protect the growing flower
37
the Ripened ovary and other structures of an angiosperms enclosing one or more seeds
38
petals
39
bee and insects
40
pistil
41
ovary
42
stamen
43
pollen
44
sepal
45
Process of seeds developing into new plants
46
It occurs when a seed lands in the spot with suitable conditions, or when The embryo sprouts out of the seed
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Sairan Jabar · 11問 · 2年前science chapter 3 lesson 4
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11問 • 2年前問題一覧
1
sporophyte and gametophyte
2
A plant produces the spores that will eventually develop into gametophytes
3
Male and female gametophyte produce sex cells that will eventually be involved in the process of fertilization which occurs when a sperm cell unites with an egg cell to produce a new organism
4
Moses and other non-vascular plants
5
Spores
6
A fertilized egg
7
Male and female structures
8
A new Sporophyte begins to develop
9
Gymnosperms and angiosperms
10
Inside structures within a larger sporophyte
11
Inside cones
12
They develop inside the flowers
13
pollen
14
pollen contains cells that will mature into sperm cells
15
Female gametophyte
16
The process of transferring Pollen from male reproductive structures to female reproductive structures in plants
17
before fertilization can occur
18
dominant
19
producing Many exact copies of itself
20
pollen
21
ovule
22
the reproductive structures of gymnosperms.
23
the structure holding the egg
24
sticky substance needed for pollination
25
pollen from the male cone
26
on the sticky female cone
27
The egg may become fertilized
28
are naked ( unprotected )
29
The scales open exposing the seeds
30
they are blown out of the cone and spread by the wind
31
When Pollen forms in the flowers anther
32
stigma,style and ovary
33
It becomes coated with pollen
34
Colorful sepals and green sepals
35
a sepal There is often pleasantly scented petals surrounding the plans reproductive organs and attract pollinators
36
Protect the growing flower
37
the Ripened ovary and other structures of an angiosperms enclosing one or more seeds
38
petals
39
bee and insects
40
pistil
41
ovary
42
stamen
43
pollen
44
sepal
45
Process of seeds developing into new plants
46
It occurs when a seed lands in the spot with suitable conditions, or when The embryo sprouts out of the seed