Unlike life cycles found in many land plants and protist's life, animals do not go through alternations of generations. However, many animal life cycles include metamorphosis. Their development is said to be indirect. direct. viviparous. oviparous.

Q: Explain the importance of the presence of symmetry (radial and biradial) and presence of true…

A: Radial symmetry is a type of symmetry of body in which the body can be divided into a no. of equall…

Q: Which of the following animals are Deuterostomes and which are Protostomes: - Prawn - Carp - Fly -…

A: Deuterostomia literally means “second mouth”. They are animals whose anus forms before their mouth…

Q: please help me

A: The correct answer is the option a which is the decrease in surface area to volume ratio to allow…

Q: Which of the following is the correct order for the four developmental phases in animals? A.…

A: Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. With few…

Q: Higher animals undergo sexual reproduction despite its complexity, why. Give 5 reasons.

A: Sexual reproduction involves the process of giving rise to new living organisms by the fusion of…

Q: The bodies of all insects have major divisions.

A: Answer : Option (b) is correct

Q: Humans are members of the phylum chordata. As such they have a notochord. The notochord in humans;…

A: All the chordates possess the following diagnostic characters either in the embryonic or adult…

Q: Benefit of the Adaptation Adaptive Feature Allows movement within body parts Hardened exoskeleton…

A: Arthropods refer to the invertebrate animals having a segmented body, an exoskeleton, and…

Q: Briefly explain how radial symmetry and the lack of cephalization usually associated with it can…

A: Thank u for the question  Answer : Radial symmetry has an adaptive value for sessile animals because…

Q: Which of the following is true about animals with bilateral symmetry? Select all that apply. they…

A: Bilateral symmetry is when the sagittal plane passes through the body it divides the body into two…

Q: Describe the characteristics of animals that differentiate them from the other kingdoms of organisms

A: Multicellular species may be formed in a variety of ways, including cell division and the…

Q: Which of the following is NOT a characteristic of all birds? They maintain a constant internal body…

A: Birds belong to Kingdom animalia and phylum chordata. They belong to class Aves. Birds are…

Q: Which of the following characteristics are present in Vertebrates? Choose all that apply. O…

A: 1) Triploblastic : Triploblastic animals are those in which the the blastoderm layer divides in…

Q: Oviparity is the rule in the animal kingdom. It is common in insects, fishes, amphibians, and…

A: The expulsion of undeveloped eggs rather than live young is known as Oviparity. As in birds and some…

Q: Listed below are four adaptations of terrestrial vertebrates. Which is a characteristic only of…

A: Terrestrial vertebrates are land dwelling vertebrates like mammals, birds and reptiles.  There are…

Q: Which of these features is not shared by most animals at some stage in their lives?a. heterotrophy…

A: The organisms present in the world are highly diverse in terms of structure, function, and mode of…

Q: Which of these parts is an embryonic midline structure common to all members of the phylum Chordata…

A: Notochord is an embryonic midline structure common to all members of the phylum chordata and plays…

Q: Which choice best describes a reasonable mechanism for animal structures becoming better suited over…

A: Evolution is change in the heritable characteristics of biological populations over successive…

Q: The ant-aphid mutualism has become so advanced all of the following traits have evolved in aphids…

A: Ants and aphids have a mutualistic relationship. Aphids devour the plant sap and excrete sugary…

Q: Match between term and description. The terms on the right can be used once, but there are more…

A: Body plan It is defined as a group of structural and developmental characteristics that is helpful…

Q: The first group of animals to develop organs and organ system are

A: Organ systems Organ systems can be defined as collection of organs or group of organs that perform…

Q: Bilaterally symmetrical animals have________embryonic tissue layers, known as________ ,___________,…

A: The embryo undergoes various types of changes in order to form a developing fetus. During the…

Q: Using the following terms, explain what classifications and groups humans fall into, from the most…

A: R. H. Whitaker’s classification system categorizes organisms into five major groups. These groups…

Q: Earthworms are segmented animals. All of the following are present on/in most segments of an…

A: Origin The origin of earthworms was said to be on earth around 200 million ago. Their ancestors were…

Q: organisms in the same class and different order organisms in the same phylum and different class…

A: The current taxonomic system has eight levels in its hierarchy, from lowest to highest, they are:…

Q: Explain why the physiological properties of individual animalsat each stage of their development are…

A: Ecology is the study of how an organism interacts with its environment, whereas evolution is the…

Q: The mammal reproduction strategy that includes a mother laying eggs that hatch outside of her body…

A: Reproduction is the process of producing their offspring.

Q: Give twenty (20) terms in Zoology including its respective prefix and meaning, suffix and meaning,…

A: There are many study specific terms used in zoology. Some of them listed below.

Q: A terrestrial animal species is discovered with the following larval characteristics; exoskeleton,…

A: The arthropods are the animals that consist of an exoskeleton, system of tubes for gas exchange and…

Q: Activity3: Comparison of Classes Fill in the following table: Radiate Animals Characteristics…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: Which of the following statements about homeobox (hox) genes is FALSE?

A: A large group of similar genes which direct the formation of many body structures during early…

Q: Some organisms have features that have different functions, but similar structures. One example is…

A: Some organisms have features that have different function but similar structure . One example is the…

Q: Select all that apply: Which characteristics could be used to identify an unknown organism as an…

A: Animals are diverse kingdoms of organisms but share common characteristics. They differ in size,…

Q: Both insects and tetrapods evolved to live in terrestrial environments. What adaptations do they…

A: Both insects and tetrapods evolved to live terrestrial environments that is they are adapted to live…

Q: While the aminotic egg offers many advantageous, it also has limitations. Which of the following is…

A: The evolution of the amniotic egg is one of the most important evolutionary steps which leads to the…

Q: What best describes frogs in terms of development

A: Frogs belong to the phylum Chordata and class amphibians. All amphibians are bilaterally symmetrical…

Q: Survival is all avoiding extinction and ensuring the genes are passed on to the next generation.…

A: Answer---

Q: How many modes of reproduction are there in animals?         I.   One type        II.   Two types…

A: the different types of reproductions that are seen through the various organisms in the living world…

Q: In two paragraphs, Explain, discuss and elaborate the Animal Reproduction and animal development

A: One of the main features of living beings is that they can reproduce. Reproduction is the process by…

Q: A ruderal species would have which life history strategy? O high reproduction rates, fast growth,…

A: A ruderal species is a plant that colonises damaged lands first. Natural disturbances, such as…

Q: All insects have jointed appendages and radula. have exoskeletons or cuticles. undergo complete…

A: The answer is option B - have exoskeletons or cuticles. The insect exoskeleton is the external…

Q: Using various resources such as your school Library or the internet and discussions with your…

A: The evolution of horse started with Eohippus during Eocene period and ended with Equus during…

Q: As we progress through evolutionary time in the animal kingdom, certain trends emerge. Which is NOT…

A: The evolution of animals is a fascinating subject. A remarkable mechanism is also the steady,…

Q: imal Reproduction Interactivity Can you describe how an aquarium moon jellyfish population will…

A: Jellyfish do not give birth to their young because they expel undeveloped eggs in the form of zygote…

Q: Which of the following is not a characteristic found in sea stars? Walking on tube feet An…

A: Echinodermata  All are marine. Generally live at bottom and slow moving. Body shape is star like,…

Q: If a deuterostome embryo split apart and one of the cells broke away early in it's development,…

A: Deuterostomes can be defined as that group of organisms in which during embryonic development, the…

Q: Birds have all of the following features except: they have external fertilization always have two…

A: Birds are a type of vertebrates which can fly.

Q: The AMNIOTES are a group of tetrapod vertebrates which lay their eggs on land or retain the…

A: Amniotes are those group of vertebrates that lay amniotic eggs on land and the fertilized egg is…

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.