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In sea star development is the entire zygote involved in early cleavage?
Yes, in sea star development, the entire zygote is involved in early cleavage. Cleavage is a series of rapid cell divisions that leads to the formation of smaller cells called blastomeres. These early cleavage divisions help to increase the overall number of cells in the embryo.
Where does a sea star embryo get its nutrition during prelarval stages of development?
During the prelarval stages of development, a sea star embryo primarily obtains its nutrition from the yolk stored within its egg. The yolk provides essential nutrients that support growth and development until the embryo is ready to hatch. Once the sea star reaches the larval stage, it begins to feed on plankton and other small particles in its environment.
In sea star development what is happening to the size of the cells as cleavage takes place and cell numbers increase?
the cells get smaller as they split
Where do a star come from one the eye?
In growing hair
Are both the egg and zygote of a sea star the same size?
No, the egg of a sea star is typically larger than a zygote. After fertilization, the zygote undergoes cleavage divisions, resulting in smaller cells before developing into a larva.
What are the limiting factors for growing star networks?
what are the limiting of a mesh network
Which is not a part of biology pet care Organic gardening star gazing Growing house plants Nutrition?
Star gazing
Compare the frogs blastula with that of a sea star?
The frog blastula is formed through holoblastic cleavage, resulting in a multicellular blastula with a fluid-filled cavity (blastocoel). In contrast, the sea star blastula is formed through radial holoblastic cleavage, leading to a solid blastula with no blastocoel. Additionally, the frog blastula undergoes gastrulation to form a gastrula with three germ layers, while the sea star blastula directly develops into a bipinnaria larva without gastrulation.
What are the differences between baby star fish and the adult star fish?
They are smaller... that's the only difference, but much like the butterfly, the starfish changes form during early life, transforming itself from an embryo to blastula to larva to miniature starfish, a process that takes two months. Sources: I'm doing a starfish project for Science right now :)
Why does the sea star embryo have no need of the yolk associated with the chicken embryo?
Lancelets and amphibians have less yolk because they have swimming larvae which can obtain their own food. Reptiles and birds are terrestrial species with eggshells to prevent desiccation, so they are unable to obtain their own food.
What magazine does Victoria Gotti work for on reality TV's Growing Up Gotti?
The Star
What future star played the homeless Luke Brower on Growing Pains?
Leonardo DiCaprio.
