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: Lamarck

A: Jean-Baptiste de Lamarck, often simply known as Lamarck. He was a French biologist, naturalist,…

Q: Which of the following descriptions applies to Cro-Magnons?a. developed agriculture b. were…

A: The first humans with a prominent chin, a larger brain capacity than modern humans, and more average…

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: What are wings of flying animals other than birds made of?

A: Animals are adapted to their surrounding and according to their habitat. The structural and…

Q: According to "Life and Death 3MYA", how did Lucy likely die?   A.She was killed by a Neanderthal…

A: The question is asking about the likely cause of death of 'Lucy', a specimen of Australopithecus…

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: Which of the following is not a feature common to most animals? a. development into a fixed body…

A: The members of the animal kingdoms show some characteristic features that differentiate them from…

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: describe arguments for and against classifying feathers as an adaptation to flying in birds.

A: Adaptation:the act or process of changing to better suit a situation. a body part or feature or a…

Q: Modern Homo sapiens are not the only species to use tools. Which other animals use tools? a. some…

A: Introduction: Tool use by animals is a phenomenon in which an animal uses any  different kind of…

Q: Morphological analogs are structures having similar functions but different origins.  For example,…

A: Through evolution plants and animals have altered their forms, behavior, and movement. These changes…

Q: What type of data is primarily used to determine the existence and appearance of early animal…

A: Animals are multicellular eukaryotic organisms. They possess a well-defined growth pattern that…

Q: Which of the following is a Monotreme? a. kangaroo b. koala c. bandicoot d. platypus

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

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 table lists a function of several animal structures. External structure Function A migrate to a…

A: Adaption is process in which organisms change their habits to gradually live in a particular…

Q: Mammals are distinguished from other animals based ona. size and hair type.b. mode of…

A: Mammals belong to the group of vertebrate animals in which the young ones are nourished with the…

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: 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: 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: 1. What era is known as the age of reptiles? 2. In animals, Hox genes activate proteins to…

A: Developmental Biology is the branch of Biology that deals with the organ development and other…

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: Which of the following answer choices describes the pattern of nutrition used by embryos of birds?…

A: oviparous creatures, birds lay eggs that serve as the protective environment for the development of…

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: According to "Life and Death 3MYA", how did Lucy likely die?   A.She was killed by a Neanderthal…

A: The question is asking about the likely cause of death of Lucy, a specimen of Australopithecus…

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: It is likely that mammals grew fur because    a.We needed to blend in b.We were nocturnal   c.Ate…

A: Mammals are the class in the animal kingdom that are characterized by their possession of mammary…

Q: Which of the following derived traits is unique to New World Monkeys, who live in the trees? Group…

A: There are some changes and adaptions of new world monkeys in comparison to the old world monkey. Old…

Q: Two of the most commonly studied model organisms nowadays are the invertebrates        and

A: In scientific research, the model organisms are extensively used to understand the specific…

Q: At which end of the pigs body are the organs in the image below found?

A: Pigs are mammals that share common characteristics with humans, such as body hair, complex organ…

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…

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.