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Radial Cleavage is a type of Holoblastic Cleavage.
You can get Isolecithal, Radial Cleavage which gives you equal yolk distribution between blastomeres.
And you can get Mesolecithal, Radial Cleavage which gives moderate yolk distribution but it tends to have some asymmetrical distribution of the yolk which causes some blastomeres to be slightly smaller.
(At least this is what it seems to be to me...)
Previous Answer:
i think it means giant boobs.
don't really know
sorry
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What are the key differences in developmental processes between deuterostomes and protostomes?
Deuterostomes and protostomes are two major groups of animals with different developmental processes. In deuterostomes, the blastopore becomes the anus, while in protostomes, it becomes the mouth. Deuterostomes also exhibit radial cleavage and indeterminate cleavage, meaning each cell has the potential to develop into a complete organism. Protostomes, on the other hand, show spiral cleavage and determinate cleavage, where the fate of each cell is determined early on. These differences in developmental processes have significant implications for the formation and organization of body structures in these two groups of animals.
The series of cellular divisions by which the zygote becomes a multicellular embryo is known as?
The series of cellular divisions by which the zygote becomes a multicellular embryo is known as cleavage. During cleavage, the zygote undergoes multiple rapid divisions without growth in between, leading to the formation of a blastula or blastocyst.
What is the cleavage of hematite?
It has no cleavage because it has an uneven and irregular fracture.
What is the main difference between the cellular stages in a sea star and in a human?
Sea stars exhibit radial cleavage, resulting in indeterminate cell fate and a regeneration potential, while humans display spiral cleavage leading to determinate cell fate and limited regenerative abilities. Additionally, sea stars have a more simple body plan with decentralized nerve cells, whereas humans possess a centralized nervous system and complex organ systems.
Rhombohedral cleavage is displayed by the mineral named?
Calcite is the mineral that displays rhombohedral cleavage. Cleavage is the way a mineral breaks along certain planes of weakness, resulting in smooth, flat surfaces. In the case of calcite, it typically breaks along three cleavage planes at 75° and 105°, resulting in rhombohedral-shaped cleavage fragments.
Is cleavage of the frog egg radial spiral or some variant of these?
Cleavage of the frog egg is classified as radial cleavage, which is characterized by symmetrical, evenly spaced divisions that occur in a radial pattern around the pole of the egg. However, it is worth noting that frog eggs exhibit a specific type of radial cleavage known as mesolecithal cleavage due to their moderate amount of yolk. This results in a cleavage pattern that is somewhat different from the strictly radial cleavage seen in other organisms, leading to a more complex arrangement of blastomeres.
Are radial cleavage in embryonic cells commonly found on insects?
No, radial cleavage is not commonly found in insect embryonic development. In insects, cleavage is typically superficial and holoblastic, meaning the entire egg divides into individual cells without forming distinct layers. Radial cleavage is more commonly seen in deuterostome animals like echinoderms and chordates.
Do protostomes and deuterostomes differ in their manner of cell cleavage during embryonic?
Yes, protostomes exhibit spiral cleavage, where the cells are arranged in a spiral pattern. Deuterostomes exhibit radial cleavage, where the cells are arranged in a radial pattern. This difference occurs during early embryonic development and influences the overall body plan formation.
Among coelomates in which of these does development occur by radial cleavage and the anus forms before the mouth?
Animals with deuterostome development exhibit radial cleavage, where the cells divide parallel or perpendicular to the polar axis of the embryo. In deuterostomes, such as echinoderms and chordates, the anus forms before the mouth during embryonic development.
What combinations of embryonic features is common in the deuterostomes?
Common embryonic features in deuterostomes include radial cleavage, indeterminate cleavage leading to identical twins, blastopore developing into the anus, and formation of a coelom from mesodermal tissue.
What are the 3 types of cleavage?
The three types of cleavage are: Equal Cleavage: The cells divide equally, resulting in blastomeres of similar size, typically seen in organisms like amphibians. Unequal Cleavage: The division produces blastomeres of different sizes, common in species like mammals, where nutrient distribution affects cell division. Radial Cleavage: The cleavage planes are either parallel or perpendicular to the vertical axis of the egg, leading to a symmetrical arrangement, typical in deuterostomes like echinoderms.
Are all deuterostomes coelomates?
Coelomates are either deutermostomes or protostomes. A protostomes have spiral cleavage lie mollusks, annelids, and arthropods. A deutermostomes has radial cleavage such as echinoderms, and chordates.
Which phyla are classified in the deuterostomia?
The phyla classified in Deuterostomia are Echinodermata and Chordata. These phyla exhibit a unique pattern of embryonic development where the blastopore becomes the anus, and radial cleavage occurs during cell division.
What is sulfurs cleavage cleavage?
Sulfur's cleavage is imperfect.
What is deuterostome development?
Deuterostome development is a type of animal embryonic development in which the blastopore becomes the anus during gastrulation. This process is characterized by radial cleavage, indeterminate cleavage, and formation of an anus before a mouth. Deuterostomes include organisms such as vertebrates, echinoderms, and some invertebrate chordates.
What are the key differences in developmental processes between deuterostomes and protostomes?
Deuterostomes and protostomes are two major groups of animals with different developmental processes. In deuterostomes, the blastopore becomes the anus, while in protostomes, it becomes the mouth. Deuterostomes also exhibit radial cleavage and indeterminate cleavage, meaning each cell has the potential to develop into a complete organism. Protostomes, on the other hand, show spiral cleavage and determinate cleavage, where the fate of each cell is determined early on. These differences in developmental processes have significant implications for the formation and organization of body structures in these two groups of animals.
One way to test a mineral is to break it and see how many directions of what it has?
cleavage....
