"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 4

Description

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 4

1. Reproduction and development of silkworm

Reproduction and development of silkworm

1. Reproduction method – sexual reproduction

2. Development process - eggs, larvae, pupae, adults

3. Complete metamorphosis - the development process goes through four stages: egg, larvae, pupa and adult. This development process is called complete metamorphosis. For example: flies, mosquitoes, bees, butterflies, ants, fleas, beetles, etc.

The development of insects goes through four stages: egg, larvae, pupa and adult. This development process is called complete metamorphosis. Such as: silkworms, bees, cabbage butterfly, mosquitoes, flies, etc.

During the development of new individuals from fertilized eggs, the morphological structures and living habits of larvae and adults are very different. This development process is called metamorphosis.

The development process that goes through the four stages of egg, larvae, pupa and adult is called complete metamorphosis.

2. Development of other insects

The development process that goes through three stages of egg, nymph, and adult is called incomplete metamorphosis.

Reproduction and development of locusts:

1. Reproduction method – sexual reproduction

2. Development process - eggs, nymphs, adults

3. Incomplete metamorphosis - The development process of locusts goes through three stages: egg, nymph, and adult. Such a development process is called incomplete metamorphosis. For example: mole crickets, praying mantises, crickets, cicadas, cockroaches, dragonflies, aphids, etc.

The development of insects goes through three stages: egg, nymph, and adult. This development process is called incomplete metamorphosis. Such as: locusts, crickets, mole crickets, mantises, etc.

practice

1. During the process of developing from a fertilized egg into a new individual, the ________ and ________ of larvae and adults are very different. This development process is called ________.

2. Which insect develops differently from the other three? ( )

A. Mantis B. Bee

C. Spotted disc D. Bombyx mori

3. The traditional Chinese medicine cicada slough is shed by cicadas during development ( )

A. Skin B. Bone

C. Exoskeleton D. Carapace

4. Insects that do not develop through the pupa stage are ( )

A. Mantis B. Bee

C. Rape butterfly D. Bombyx mori

5. Judgment: ( )

The development process of locusts goes through egg, nymph, pupa, and adult stages, which is an incomplete metamorphosis.

Keywords: teaching courseware on the reproduction and development of organisms, teaching courseware on the reproduction and development of insects, new PEP eighth grade biology PPT courseware for the second volume, eighth grade biology slide courseware download, reproduction and development of organisms PPT courseware download, insects Reproduction and development PPT courseware download, .ppt format

For more information about the PPT courseware "Reproduction and Development of Biological Reproduction and Development of Insects", please click the Reproduction and Development of Biological Ppt ppt Reproduction and Development of Insects ppt tag.

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 5:

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 5 Teaching objectives: 1. Review the basic characteristics of insects; list common insects. 2. Understand and master the definition of abnormal development. 3. List common insects that undergo metamorphosis. 4. Not completely perverted..

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 3:

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 3 Are caterpillars and butterflies the same creature? How does a caterpillar turn into a beautiful butterfly? Metamorphosis: During the development of insects from larvae to adults, the larvae's morphology, physiology, habits, etc. change...

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 2:

"Reproduction and Development of Insects" Reproduction and Development of Biological Organisms PPT Courseware 2 Do you know how beautiful butterflies come from? Did it grow from a butterfly? How does a caterpillar turn into a butterfly? What other creatures have such strange changes? The production of silkworm...

File Info

Update Time: 2024-07-30

This template belongs to biology courseware People's Education Edition Biology for Grade 8, Volume 2 industry PPT template

Preview