Question 24 The primitive streak in a bird embryo is the functional equivalent to which of the following structures? the notochord in a mammal O neural crest cells in a mammal O the archenteron in a frog the lip of the blastopore in the frog

Q: Which of the following is NOT present in all Annelids? O complete alimentary canal O coelom O…

A: The annelids, commonly known as ringed worms or segmented worms, are a vast phylum that includes…

Q: What is the correct order of development in humans?   Question 4 options:…

A: Fertilization: Sperm fertilizes the egg, forming a zygote. Morula Formation: The zygote undergoes…

Q: Lepidoptera caterpillars differ from sawfly caterpillars |by having more prolegs |by having…

A: Answer

Q: Which is theextraembryonic membranewhose function is to storenitrogen wastes of theembryo? Is this…

A: The membrane that is known to assist the developing embryo is known as an extraembryonic membrane.…

Q: QUESTION 21 1. Which of the following vertebrate groups is jawless? Lepidosauria Conodonts Aves…

A: Jaws were an important evolutionary structure which helped the animal to chew the food and convert a…

Q: Protoceratops how did they defend itself from predators? They hornless Dino and very small. So what…

A: Protoceratops can be referred to as herbivorous dinosaur that possessed four limbs and was an…

Q: Sponges from the phylum Porifera ... [choose the incorrect response}   Question 29 options:   have…

A: Introduction Sponges are the member of the phylum porifera. They are multicellular organism. They…

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

A: The phylum is the division of Kindom in the process of classification of organisms in which the…

Q: Which feature is found only in gnathostomes?     both pelvic and pectoral fins or appendages…

A: Gnathostomes are those organism who have jaws in their body. It includes two groups: Pisces: It…

Q: A true coelom is _____ O completely lined with tissue derived from endoderm O completely lined with…

A: The organisms can be divided into three groups in the basis of kinds of coelom: • Acoelomate •…

Q: The dorsal hollow nerve chord of chordates derives from the [Select ] * and is found v [Select ] Fto…

A: All the animals on the planet are classified under kingdom Animalia. The animals are classified…

Q: How can biologists explain similar gill pouches in embryos of a chick, human, and cat? O genetic…

A: Gill pouches are also known as Gill pockets.They are paired protrusion present in pharyngeal wall.In…

Q: What does metamorphosis mean

A: Metamorphosis involves the reactivation of the genes allowing the cells to change from one type to…

Q: n most cartilaginous and bony fishes Vision is very poor Prey is swallowed whole The fins contain…

A: Fishes are aquatic, craniate, gill-bearing animals that lack the limbs with the digits. They form a…

Q: Refer to the diagram above. Which class is most closely related to snakes? salamanders crocodilians…

A: Today biologists agree with what Darwin said that all animals have evolved from one common ancestor…

Q: Which of the following mammalian structures is derived from one of the extra embryonic membranes?…

A: Introduction An extraembryonic membrane is one of the membranes that aid in embryo development. Such…

Q: Question 11 Which is TRUE for embryonic development of prc O Lacking three germ layers O…

A: A protostome could be a cluster of animals that has invertebrates like arthropods (insectsand…

Q: what structure is the pointer pointing to? O Notochord what germ tissues are those structutres made…

A: There are different types of body structures, each specified for a particular function. These…

Q: Bergmann's and Allen's rule help us understand [Select] [ Select] the purpose of the occipital bun…

A: Ecology is branch of science which determine the interaction of surroundings with the living…

Q: Members of Phylum Chordata (Chordates) All of the above All have gills as adults Display gill slits…

A: Chordates are animals which are more complex than others.  They are found in large numbers .

Q: Why is the evolution of the amniotic egg significant? Embryos are protected from predators.…

A: An amniotic egg is an egg which is terrestrially adapted egg and encased by a shell and…

Q: QUESTION 4 1. In ancestral fish, most of the force for locomotion came from the Pelvic fins Axial…

A: Evolution of fishes:- From Tetrapodomorpha, tetrapods evolve and these Tetrapodomorpha evolved from…

Q: The hyoid articulates with the top vertebrate. O True False Question 10 The anatomical name for the…

A: Skeletal system is a body system which generally form scaffolding structure in the body so as to…

Q: A A Mesoderm Ectoderm Endoderm In the above diagram, there is an opening that has appeared on the…

A: Developmental biology is the study of the process by which organisms grow and develop.

Q: Buoyancy in certain types of fishes O Is controlled by a water filled swim bladder O Is accomplished…

A: The buoyancy of fish is the ability to float and sink in the water by the fish.

Q: In 1798, a stuffed platypus specimen was delivered tothe British Museum. Reports that it laid eggs…

A: Amniotes are described as the vertebrates that have a tendnecy to develop embryo in the amnion.…

Q: Animals with three tissues layers have other synapomorphies that differentiate them from…

A: Biology is the study of cells, tissues, organs, organ systems, organisms, species, and communities…