III.Vascular plants  (pteridophyta)

Homosporous or Heterosporous

Sexual reproduction- Oogamous

Antheridium-  Sessile and reduced in size

Haplodiplontic-  alteration of generation

Spores produced inside the sporangia on leaves

TLS Online TPP Program

#Id: 4527

#XL - T Zoology

There are four known forces that are involved in evolution:

1)mutation,

2) genetic drift

3) gene flow or migration

4) selection.

TLS Online TPP Program

#Id: 4528

#XL - T Zoology

There are four known forces that are involved in evolution:

1)mutation,

2) genetic drift

3) gene flow or migration

4) selection.

TLS Online TPP Program

#Id: 7026

#XL - T Zoology

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

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#Id: 7027

#XL - T Zoology

Proximate causes - The subject of cell biology, neurobiology, and many other biological disciplines

Ultimate causes - Their historical causes, especially the action of natural selection

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#Id: 7028

#XL - T Zoology

 Before Darwin - Christians interpreted “special creation”

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#Id: 7029

#XL - T Zoology

Carolus Linnaeus - Classified “related” species into genera, “related” genera into orders, and so on.