Showing posts with label Reproduction. Show all posts
Showing posts with label Reproduction. Show all posts

Sunday, 19 June 2016

Reproductive System in Flowering Plants

The flower is known as the reproductive structure of flowering plants. It consists of the male sex organ and female sex organ which makes it possible for them to reproduce sexual. Seeds, which are capable of germinating into new plants are produced, often as a result of the fertilization that occurs internally.

THE STRUCTURE OF A FLOWER


[Photo credit: Amada]

Friday, 17 June 2016

Reproductive System in Reptiles, Fish and Birds

REPRODUCTIVE SYSTEM IN REPTILES

The reproductive system in Agama lizard is as follows.


[Photo credit: Sajjad Fazel]

The male Agama lizard possess two testes. The testes are located in the abdomen. One testis is found at the right side and the other at the left side.

Reproductive System in Mammals

Mammals generally reproduce sexually. They are generally unisexual. Reproduction in mammals is usually viviparous - their offspring are born alive, and not eggs that need to be hatched. Reproductive system in mammals is majorly divided into two - male reproductive system and female reproductive system.


[photo credit: Zephyris]


MALE MAMMALIAN REPRODUCTIVE SYSTEM

Tuesday, 14 June 2016

Pollination in Plants

Pollination can be defined as the process by which mature pollen grains are transferred from the anthers of one flower, to the stigma of the same or another flower, hence making fertilization occur. It is a required process in reproduction in plants.


[Picture credit: Brocken Inaglory]

Types of Pollination

Monday, 13 June 2016

Courtship Behavior In Animals

Courtship behavior of an animal is the collection of instinctive behavior the animal exhibits, in response to some external stimuli. It precedes mating and reproduction. It is carried out by male and female animals, and usually carried out in sequence. One step leads to another.


[photo credit:  U.S. Fish and Wildlife Service]

Significance of Courtship Behavior in Animals