Why did invertebrates evolve structures for protection?

Q: In tetrapods, the efferent nerves exit the spinal cord through the   Question 2 options:   A)…

A: A.ventral root

Q: What are some animal adaptations to the terrestrial environment?

A: The terrestrial environment can be defined as the environment consisting of landforms only. It is…

Q: Which animals have tissues, and which have organs?

A: Parazoans have several specialized cell types but do not interact to provide a specific function.

Q: How do some invertebrates survive freezing temperatures? Extreme temperatures?

A: Animals that don't contain nor develop a vertebral column i.e backbone or spine which is derived…

Q: How do external stimuli affect body homeostasis in invertebrates and vertebrates? Cite an example…

A: Homeostasis ensures ideal conditions for enzyme functioning and all cell activities throughout the…

Q: A bird with a brain injury that results in it losing its ability to build a nest likely has an…

A: Introduction Neurology is the study of the nervous system. It is important to know neurology because…

Q: How does the amoeboid movement occur? What are examples of beings and cells that use such movements…

A: Amoeboid movement is the movement exhibited by amoeba.

Q: How are specialized tissues important for animal function and complexity?

A: These are the differentiated tissues found in higher organisms that allow them to perform complex…

Q: What are the different animal camouflage tactics? Name what animal has the ability for each

A: Concealing coloration, disruptive colouring, disguise, and mimicry are the 4 main forms of…

Q: What makes hydra, planaria, salamanders, and fish so much better at regenerating than mammals?

A: Answer- Regeneration is the process by which an organism damaged or missing cells of the organisms…

Q: which of the following are animal characteristics? select all that apply?

A: Animals belong to the kingdom Animalia. Characteristics of animals are -  1.Animals are…

Q: The squid light organ has structural and functional similarities to an eye, including the ability to…

A: Squid belongs to family of cephalopods in the superorder Decapodiformes. The body of squids are…

Q: What is the function of the snail shell used by the hermit crabs? Do you think it could survive…

A: Hermit crabs, distributed worldwide, occur in coastal waters with sandy or muddy bottoms, and…

Q: Arthropods usually have a distinct head. How would you define a “head”? What are the advantages and…

A: Arthropods are the large invertebrate group. Insects, millipedes, shrimps, centipedes, and, crabs…

Q: animals found in cooler environments?

A: Several scientists are attempting to figure out however the Arctic ground squirrel (Spermophilus…

Q: Hydras, octopuses, and sea cucumbers have tentacles. Do tentacles have a single universal function,…

A: Tentacles are totally different from organs like the tendrils of climb plants. In carnivorous plants…

Q: The animal you are dissecting possesses several ganglia. Several are located at the head. Others are…

A: The objective of the question is to identify the phylum of an animal based on the description of its…

Q: What specialized cells of tentacles aid in capturing prey?

A: Several organisms such as mollusks, cnidarians, ctenophores, bryozoa, and cestodes contain…

Q: Does a zoological museum display animate or inanimate objects?

A: Animate is a term that is used to refer to organisms which are alive. A living organism has the…

Q: Which is a correct statement concerning the insect circulatory system? Question 18 options:…

A: Insects, like all other arthropods, have an open circulatory system that differs from the closed…

Q: What structures play a role in protecting vertebrate central nervous tissue?

A: Definition of CNS The brain plays a central role in the control of most bodily functions, including…

Q: Why is it important to study the structure and functions of animal systems?

A: Animals have different organ systems such as the urinary system, reproductive system, and nervous…

Q: The phylum Nematoda has which type of body cavity?

A: Nematodes are one of the defined phyla of the kingdom Animalia. It is otherwise known as roundworms.…

Q: Why is bilateral symmetry of adaptive value for actively motile animals?

A: Bilateral symmetry is a pattern of symmetry where the opposite sides are normal or one side is…

Q: What are different ways animals adapt to their environment?

A: Adaptation is he act or process of changing to better suit a situation.

Q: Charles a Biology student in California has found at the beach an animal he cannot name. What are…

A: Some questions which should be asked by Charles to determine the phylum of the animal: First of all…

Q: How does a penguin's coloration (black and white) aid them in their natural environment? What other…

A: Penguins are bird and their wings are covered with feathers. They are warm-blooded animals and lay…

Q: What is Mammalian body cavities ?

A: Mammals are the organisms that live on land. They have hair and fur. They are named so because their…

Q: Explain how did the integumentary system of vertebrates evolve from the diagram:

A: The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine…

Q: How geckos stick to walls?

A: Geckos are nocturnal and docile. They hunt for insects. They can survive without water for many…

Q: Why leeches and not other animals are used in studying nervous system functions?

A: The medicinal leech (genus hirudo) is a classic model animal used in many studies in the field of…

Q: How does the amoeboid movement occur? What are examples of beings and cells that use such movements…

A: The amoeboid movement is a remarkable feature of eukaryotic cells that adhere to the surfaces, this…

Animal Diversity

Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.

Platyhelminthes

Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.