The wings of a bird are analogous to which of the following? a. Lobster claws b. Whale flippers c. Butterfly wings d. Human arms e. Frog forelimbs

Q: What are some of the key behavioral and morphological characteristics of early domesticated dogs…

A: Dogs evolved from gray fox. This can be concluded by the fact that both the fox and the dogs have so…

Q: Which of the following is a derived trait of vertebrates? a. Jaws b. A mineralized (bony) skeleton…

A: Derived traits are features or characteristics that are exclusive to a specific group of organisms…

Q: Which type, or form, of animal could function without a circulatory system?   A. a small, thin…

A: The circulatory system helps in the exchange of gases and transportation and excretion of waste…

Q: In a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.

A: Answer- The organs starts to develop from the first month of the pregnancy in the humans.

Q: A major difference between birds and other reptiles is that birdsa. produce a shelled egg. d. care…

A: The group of heterotrophic, multicellular, and eukaryotic organisms that do not show the presence of…

Q: In animals, Hox genes activate proteins to determine A. animal cephalic region O B. animal…

A: HOX genes are groups of regulatory genes which encode for the transcription factors and are…

Q: Examine the limb bones of these two primates. For each one, what was the most likely broad locomotor…

A: Primates are well known as by the presence of grasping hands along with the primitive anatomy with…

Q: Which of the following is not true about human and ape skeletons?a. Humans have a long, narrow…

A: Humans and apes are primates whose body similarities demonstrated that they have common ancestors.…

Q: The bones that make up the forelimbs of monke cats, whales, and birds are similar. of the following…

A: Evolution can be studied by various evidences like homologous and analogous organs.

Q: Which of these is not characteristic of all vertebrates?a. complete digestive systemb. closed…

A: Vertebrates  Vertebrates are the group of animals that have back bone or vertebrae column. Vertebrae…

Q: A characteristic unique to most species of mammals and no other vertebrates isa. endothermy.b. skin…

A: The group of multicellular, mostly motile, and heterotrophic organisms is called animals. They lack…

Q: Fossils of snakes with hind limbs but no forelimbs have been discovered. conclusions is best…

A: Snake  Snakes are long, cylindrical, legless, carnivorous reptiles belong to the subclass of…

Q: Snakes, turtle, lizards and crocodilesfalls under which category of animals?A. Pisces…

A: The animals are the most abundant living organism that are found in almost every habitat. They have…

Q: Given a positive genetic correlation between the lengths of the maxilla and the mandible of a bird…

A: Positive correlation and pleiotropic effects.

Q: In the Paleozoic era, the first vertebrates to live on land were thea. amphibians.b. reptiles.c.…

A: The Paleozoic era is the earliest of three major geologic eras found in geologic periods which…

Q: bill elongated bill not elongated bill strongly curved. bill straight bill straight.... bill…

A: A taxonomical tool called a key is used to identify both plants and animals. Two statements make up…

Q: The pangolin or scaly anteater is a mammal and yet, its body is covered with scales. Explain. Cite…

A: Pangolin belongs to order Pholidota. It is commonly known as scaly ant eater because of scales…

Q: Due to evolution,penguins are birds that can no longer fly. What is going to happen to their wings…

A: Evolution is the process of heritable change in the characteristics of an organism. Such changes…

Q: Chordates are named for having this generalized structure. A. Spinal cord B. Stomochord C. Notochord…

A: The chordates is an advanced group in the animal kingdom. The chordates include cyclostome,…

Q: Characteristics that evolved in birds to allow for flight includea. reptilian-like scales on the…

A: Bird anatomy has unique adaptations mainly in flight. These are light weighted organisms with very…

Q: Monotremes are very primitive mammals because: O a. They lay eggs. O b. They do not provide milk to…

A:

Q: You are confronted with two creatures that, on first glance, both appear to be pill bugs. Upon…

A: An isopod crustacean belongs to phylum arthropoda with the exoskeleton made of chitin and joined…

Q: Unlike bony fishes, amphibians havea. ears. b. jaws. c. a circulatory system.d. a heart.

A: The group of eukaryotic organisms that are heterotrophic and multicellular is called animals. There…

Q: The reason that birds and crocodilians both build nests might be because they a. are both…

A: The branch of biology that deals with the structure, function and evolution is called zoology. It…

Q: Both cartilaginous and bony fishes have_ a. jaws d. a swim bladder b. a bony skeleton e. a…

A: The name vertebrate comes from the Latin word vertebrae, which refers to the spine's bones. Animals…

Q: What symmetry do humpback whales have?  A. Bilateral Symmetry B. Radial Symmetry C. Assymterical…

A: According to the general shape of the body and arrangement of internal organs in it animals fall…

Q: The function of the amphibian larval stage is to allowa. extended development of the…

A: The function of the amphibian larval stage is to allow escape from predation. (c.)

Q: Read following statements A and B and choose the correct option. A: All vertebrates are chordates…

A: The group of multicellular and heterotrophic organisms belonging to the kingdom Animalia is called…

Q: Unlike Archaeopteryx, modern birds have_______ . a. a long bony tail c. a two-chambered heart b. a…

A: The oldest known fossil bird is Archaeopteryx, which dates from the late Jurassic period. It…

Q: 10. According to these anatomical structures in the figure above, which two animals closely related?

A: Homologous organs are defined  as the organs of different animals that are having similar structures…

Q: The insects have two distinct types of development. The more primitive insect orders pass through a…

A: Metamorphosis Metamorphosis is defined as the changes that occur in insects or amphibians leading to…

Q: What does APODA mean? O A. Without true bone B. Without jaws C. Without teeth. O D. Without legs E.…

A: The term poda is used as a suffix in the name of the class of organisms that have limbs or legs.…

Q: Question 4 1 pts Which of the following is true of asteroids? (Hint: Recall the video of an starfish…

A: Eversible stomach.

Q: What is the correct way to write the scientific name for the made-up species, the unicorn?

A: The scientific name is composed with two names. The first name is called Genus and the second name…

Q: Which of the following is the largestmammal?A. Whale B. RhinocerosC. Elephant D. Human

A: Mammals are vertebrate animal that belong to class Mammalia. They possess mammary glands used to…

Q: Monotremes include: a. kangaroos. b. koalas. c. bandicoots. d. platypuses.

A: Monotremes are one of the three main groups of living mammals, along with placentals (Eutheria) and…

Q: Which of these enabled humans to evolve a larger brain? A. Evolving a larger digestive tract B.…

A: From the evolutionary studies made it is observed that the size of the human brain increased…

Q: Which primates have the most anatomical and physiological digestive specializations?  a. Lemurs  b.…

A: Primates are eutherian mammals that belong to the order of the same name. They are believed to have…

Q: Whilst fishing, you catch an animal with a long, cylindrical body. You take it back to the lab for…

A: The diverse kind of organisms are present on the earth. A large kind of organisms are present. The…

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.