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Mamalia and also Arthropoda
-Tyler Smith
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∙ 12y ago
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Animals are classified according to body plan as?
Animal phyla is how animals can be classified according to body plan. The four types of body plans are sac like, acoelomate, pseudocoelomate, and coelomate.
How are advanced and primitive evolutinary forms for the traits of symmetry digestive system and segmentation different?
Primitive life forms tend to be asymmetrical with no body plan, while advanced forms have either radial or bilateral symmetry, which are both detailed body plans. Primitive animals also have a sac-like body plan with no specialized organs for digestion, while advanced animals have a tube within a tube body plan that contains specialized digestive organs for more efficient digestion. Primitive animals have very basic, unsegmented bodies with no appendages, while advanced animals have segmented bodies that allow for specialized limbs and body parts.
What are the five key evolutionary changes in the animal body plan?
The evolution of symmetry, tissues, a body cavity, patterns of embryonic development, and segmentation (repeated body units). Symmetry is found as radial symmetry (halves of the body mirror each other) and bilateral symmetry (symmetric in every direction). Cells differentiate into tissues which allows for specialized structures and functions. The evolution of body cavities allowed for the evolution of organ systems. There are 2 patterns of embryonic development in bilateraly symmetrical animals: protostomes and deuterostomes. Other embryonic development classifications are cleavage patterns (spiral and radial), determinate or indeterminate development, and coelom formation. With segmented animals, each segment has a set of organ systems. This is advantageous because if one segment is damaged, the animal will not die. Segmentation also allows animals to move more effectively since the segments can move fairly independently.
What human characteristics are shared with other animals?
Animals have emotions, feelings and personalities just as humans do. Humans and animals share a wide range of similarities, from physically to mentally. Animals also think the same way as humans, they can also plan (For example: A plan to capture prey).
What are facts about bilateral symmetry?
A body plan in which an organism can be divided along only one plan of their body to produce 2 mirror images.
Animals are classified according to body plan as?
Animal phyla is how animals can be classified according to body plan. The four types of body plans are sac like, acoelomate, pseudocoelomate, and coelomate.
What are the phyla and classes of animals with their respective characteristics and examples?
at this level, organisms are placed or grouped together based on similarities in basic body plan or organization.
What are the characteristics tha distinguish echinoderms from other phyla?
their body plan
What kind of body plan do most animal phyla exhibit?
Most animal phyla exhibit bilateral symmetry, where the body can be divided into two mirror-image halves along a single plane. This body plan is thought to have evolved for efficient movement and coordination in organisms.
How does the nematoda body plan differs from that of annelida?
Nematodes do not have segmented bodies like annelid do.
What does a segmented worm have with a body plan?
They either do NOT have skeletons or they have exoskeletons like the millipede.
What main characteristics are used to classify animals into different phyla?
Animals are classified into different phyla based on several characteristics including the body symmetry (radial or bilateral), the presence or absence of a backbone (vertebrate or invertebrate), the type of body plan (sponges, cnidarians, mollusks, arthropods, etc.), and the organization of their body systems. Additionally, characteristics like the presence of a notochord, segmentation, and the development of specialized tissues also play a role in classification.
How are advanced and primitive evolutinary forms for the traits of symmetry digestive system and segmentation different?
Primitive life forms tend to be asymmetrical with no body plan, while advanced forms have either radial or bilateral symmetry, which are both detailed body plans. Primitive animals also have a sac-like body plan with no specialized organs for digestion, while advanced animals have a tube within a tube body plan that contains specialized digestive organs for more efficient digestion. Primitive animals have very basic, unsegmented bodies with no appendages, while advanced animals have segmented bodies that allow for specialized limbs and body parts.
What is phylum classification?
The phylum is chlorophyta also known as green algae.
What is a body plan with no symmetry?
small black animals but not tadpoles
How do platyhelminths differ from nemathelminths?
Brief answer only. Phyllum Platyhelminthes are the flatworms. These have three layers of cells. Phyllum Annelidia are the segmented worms. These have blood vessels, a developed nervous system, and a digestive system organized round a central tube.
Which is a feature of the arthropod body plan?
Arthropods have segmented bodies, an exoskeleton made from chitin, and joint appendages. On arthropods you will observe an internal body cavity called a hemocoel to contain the internal organs which are bathed in hemolymph.
