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What is the type of trait called when the embryos of both mammals and reptiles are protected by amniotic fluid?
The trait where embryos of both mammals and reptiles are protected by amniotic fluid is called amniotic egg development. This type of reproduction allows for the successful terrestrial life of both mammals and reptiles by providing a protective environment for the developing embryo.
The feature present in reptiles and absent in amphibians that freed reptiles from dependence on water for reproduction is?
The amniotic egg is the feature present in reptiles and absent in amphibians that freed reptiles from dependence on water for reproduction. The amniotic egg has protective membranes and allows reptile embryos to develop on land, reducing the need for water for reproduction.
Is most common among terrestrial animals.?
The most common reproductive strategy among terrestrial animals is internal fertilization. This method allows for the protection of developing embryos and increases the chances of survival in a terrestrial environment. Many mammals, reptiles, and birds utilize this strategy, adapting it to their specific ecological niches. As a result, internal fertilization has contributed significantly to the success and diversification of terrestrial species.
Do reptiles have absorbent skin?
No, reptiles do not have absorbent skin. Their skin is covered in scales made of keratin, which helps prevent water loss and protects them from environmental hazards. Unlike amphibians, whose permeable skin allows for absorption of water and gases, reptilian skin is designed to be more impermeable, aiding in their adaptation to terrestrial habitats.
Do chondrichthyes have an amniotic egg?
No, chondrichthyes, which include sharks, rays, and skates, do not have an amniotic egg. Instead, many species of chondrichthyes reproduce through methods such as oviparity (laying eggs) or viviparity (live birth), with some species having adaptations like the development of embryos in a protective environment within the mother's body. The amniotic egg is characteristic of reptiles, birds, and some mammals, which allows for reproduction in terrestrial environments.
Do crocadiles have a spine?
Yes, crocodiles have a spine. Like all reptiles, they possess a vertebral column made up of individual vertebrae, which provides structural support and protects the spinal cord. This spine is flexible and allows for movement in their aquatic and terrestrial environments.
What is unusual about the reproduction of the desert grassland whiptail lizard?
The desert grassland whiptail lizard exhibits a unique form of reproduction known as parthenogenesis, where females can reproduce without mating with males. This asexual reproduction results in offspring that are genetic clones of the mother. Additionally, these lizards can also engage in sexual reproduction with males, but the ability to reproduce independently is unusual among reptiles. This adaptation allows them to thrive in environments where males may be scarce.
What allows reptiles to reproduce without water?
The Amniotic Egg
What species allows reproduction by budding?
Hydra
What system allows reproduction and allows female and male functions?
reproductive system.
What part allows the plant to reproduce?
The part of the plant that allows for reproduction is primarily the flower. Flowers contain reproductive structures, with stamens producing pollen (male gametes) and carpels containing the ovules (female gametes). Pollination leads to fertilization, resulting in the formation of seeds, which can grow into new plants. In some plants, other structures like cones or fruits also play significant roles in reproduction.
What chordate group have amniotic eggs?
Amniotic eggs are characteristic of reptiles, birds, and mammals, which are collectively known as amniotes. These eggs contain a protective membrane that allows them to be laid on land, providing a suitable environment for the developing embryo. This adaptation was crucial for the successful colonization of terrestrial habitats by these groups.
