Animalscaretips
- Why do sponges have no symmetry?
- What type of symmetry body plan do sponges have?
- How can body symmetry affect movement?
- Why are sponges considered animals?
- Why are sponges considered as the most primitive or simplest among the animals?
- What type of symmetry do sponges have and why?
- Which type of symmetry do the following animals have explain the symmetry also sponges?
- How does an animal with bilateral symmetry differ from an animal with radial symmetry?
- How does an animal's symmetry relate to their movement and lifestyle?
- How does animal locomotion relate to body symmetry?
- How is bilateral symmetry an advantage to animals that walk or run?
- Why are sponges distinguished from sponges with cellular bodies?
- What features make the sponges different from the other organisms placed in the animal kingdom?
- Do sponges have symmetry?
- Are sponges colonial animals?
- Which features do sponges not share with other animals?
Why do sponges have no symmetry?
Because of the circular arrangement of their parts, radially symmetrical animals do not have distinct front or back ends. ... There are a few animals, like most sponges, that don't have any type of symmetry. These asymmetrical animals have very simple body plans. Sponges have no brains, nerve cells, or any internal organs.
What type of symmetry body plan do sponges have?
Most animals are bilaterally symmetrical with a line of symmetry dividing their body into left and right sides along with a “head” and “tail” in addition to a top and bottom. Only sponges (phylum Porifera) have asymmetrical body plans.
How can body symmetry affect movement?
The organs that detect food, light, and other stimuli should be in a position to meet the environment first.An organism can move more easily if it has a balanced body. ... The symmetry of an organism gives clues to its complexity and evolutionary development.
Why are sponges considered animals?
Sponges are similar to other animals in that they are multicellular, heterotrophic, lack cell walls and produce sperm cells. ... All sponges are sessile aquatic animals, meaning that they attach to an underwater surface and remain fixed in place (i.e., do not travel).
Why are sponges considered as the most primitive or simplest among the animals?
Sponges are considered to be one of the simplest animals, primarily because their bodies are not organized in organ systems or even tissues. Rather, sponges are made up of a grouping of cells that work together to contribute to meeting the daily needs of the sponge.
What type of symmetry do sponges have and why?
Sponges have asymmetrical symmetry. When an animal's body shape is asymmetrical, there is no axis or line that can be drawn where it is essentially...
Which type of symmetry do the following animals have explain the symmetry also sponges?
Sponges are considered to be asymmetrical animals.
How does an animal with bilateral symmetry differ from an animal with radial symmetry?
Explanation: The bilateral symmetry animals body are divided into two equal halves from a particular radius passing through the centre. The direction of cutting is fixed. ... The radial symmetry animals body are cut into two equal halves from all the radii of the animals body passing through the centre.
How does an animal's symmetry relate to their movement and lifestyle?
The symmetry of an animal generally fits its lifestyle. For example, many radial animals are sessile forms or plankton and their symmetry equips them to meet their environment equally well from all sides. More active animals are generally bilateral.
How does animal locomotion relate to body symmetry?
Having bilaterally symmetrical bodies (the same on both sides along an axis) permit them to propel forward in a straight line. In evolutionary history, animals that moved quickly and efficiently from point A to point B would have been more successful and selected for than those who were ineffective at locomoting.
How is bilateral symmetry an advantage to animals that walk or run?
The advantages of bilateral symmetry include the formation of a head and tail region, where the head region can house a detailed nervous system, and more directional movement to include the ability to move straight forward.
Why are sponges distinguished from sponges with cellular bodies?
It is upon close internal examination that glass sponges can be most easily distinguished from other sponges. The skeleton of an hexactinellid is made entirely of silica. ... While hexactinellids possess no nerve structure, they seem to be able to send electrical signals across the body through the syncytial soft tissue.
What features make the sponges different from the other organisms placed in the animal kingdom?
Sponges are valuable from a scientific point of view because of their unusual cellular organization (the cells do not form tissues or organs such as those found in other animals), their ability to regenerate lost parts, and their biochemical features (they have many compounds not known in other animals).
Do sponges have symmetry?
The simplest animals include the sponges (Porifera) and the Cnidaria. Sponges are unsymmetrical or radially symmetrical, with many cell types but no distinct tissues; their bodies contain numerous pores and sharp protective spicules.
Are sponges colonial animals?
Sponges are often considered colonial organisms like the alga Volvox. The cells are so loosely associated that if you run a sponge through a filter and scramble the cells, they will re-associate easily to form another sponge. ... Ancestors of today's sponges may have been the the first truly multicellular animals.
Which features do sponges not share with other animals?
This characteristic makes sponges seem superficially plant-like, but sponges do not share other features of plants. ... Sponges do not have organs or true tissues, however, they do have specialized cells that can carry out distinct functions within the organism. This is generally referred to as cellular-level organization.
