What can be inferred about the evolution of the cranium and vertebral column from examining hagfishes and lampreys?

Q: Construct a dichotomous key to the classes of vertebrates using the table of characteristics below.

A: Given: Need to find in which class the vertebrates belong by checking the characteristics and…

Q: Describe three key amniote adaptations for life on land.

A: The amniotic egg provides protection to the embryo and allow it to develop on land, eliminating a…

Q: Give the resemblances between the lancelet and the lamprey's larva?

A: The lancelet belongs to the kingdom Animalia and characterized as "fish-like" benthic filter-feeding…

Q: Explain why amphibians are sometimes called “canaries in acoal mine.”

A: Sentinel species are the animals that used to find out the risks to human beings by providing and…

Q: What are the lateral linesof fishes?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates include…

Q: What shared characteristic supports the surprisingly close relationshipbetween echinoderms and…

A: BASIC INFORMATION  EVOLUTION The theory of evolution was first given by the Jean Baptist de Lamark.…

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its carapace?

A: Carapace is meant for the protection and it vary in size and is different in males amd female.it is…

Q: Is there any genetic evidence linking lobe-finned fish and amphibians

A: Lobe-finned fishes and amphibians are closely related and connected through a common ancestor which…

Q: Snail and Squid Compare the external features of each to each other and the clam. What are the…

A: Molluscs have the most diverse types of any animal phylum. Snails, slugs, and other gastropods;…

Q: compare the evolution of bony fish and jawless fish.

A: During the Cambrian explosion approximately 530 million years ago, fish began to evolve. The early…

Q: Recognize characteristics that distinguish fish from othervertebrates.

A: A vertebrate is known as the animal with the spinal cord that is covered with the help of cartilage…

Q: Using appropriate examples, describe the two lineages of bonyfishes and the anatomical traits that…

A: Bony fishes are the fishes that consist an endoskeleton made up of bones. The fishes are also known…

Q: give the function of these stingray parts. 1. eye 2. snout 3. mouth 4. nostril 5. spiracle 6.…

A: Across the world, temperate and tropical marine and freshwater ecosystems are home to the…

Q: Define about Fishes: Evolution of the Jaw ?

A: An aquatic vertebrate that bears gills for respiration and lacks limbs with digits is called fishes.…

Q: List the advantages of segmentation in the annelids.

A: The organisms of the ecosystem have significant properties. Depending upon the different features of…

Q: Identify the geologic era and periods in which chordatesand the first vertebrates appear.

A: The chordates are first found in cambrian period which is 530 million years ago

Q: Explain how each molluscan feature is modified, compared to gastropod and bivalve body plans. 1)…

A: Cephalopods, Gastropods and Bivalvia are all classes of Molluscs. They differ in their habitats. For…

Q: ge 1: Which statement is false according to the tree below? Hagfishes Agnathans Lampreys…

A: Answer : the statement which is false according to the tree below Is :    c)  turtles are more…

Q: The following image is from a scientific publication by paleontologist Niel Shubin, who was part of…

A: Homologous structures such as organs or bones are the structures which posses similar anatomical…

Q: Describe four characteristics shared by all jawed fishes.

A: Gnathostomes are the jawed vertebrates. Their diversity comprises 60,000 species that account for…

Q: What is thought to be the function of the shell morphology in African pancake tortoise?

A: Introduction African pancake tortoises:- are native to East Africa and are found in Tanzania,…

Q: Provide a brief description of fishes, citing characteristics that would distinguish them from all…

A: Phylum Chordates are characterised by the presence of four diagnostic characters notochord, dorsal…

Q: Threespine sticklebacks that invaded freshwater lakes have lost their pelvic spines. What other…

A: Threespine sticklebacks (Gasterosteus aculeatus) are commonly found in the ocean. They are…

Q: Describe key adaptations of aquatic gnathostomes

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

Q: what is a major comparison betwe tunicates and bonyfish

A: Tunicates and bony fishes belong to the Phylum Chordata. Tunicates belong to Subphylum Urochordate…

Q: Describe three important differences between the skeletons of the crayfish and the pig.

A: SOME BASIC INFORMATION  SKELETON  It is a structure which is formed by bones  It basically forms the…

Q: Give one example of each of the four Vertebrate Classes, which are grouped under the Amniotes.

A: Sauropsids and synapsids are members of the amniote group of tetrapod animals. They are…

Q: What is a body structure that is found in Bony fish but not in Cartilaginous fish?   Teeth Gills…

A: The animal kingdom is diverse constructing millions of species. Fishes are one group of vertebrates…

Q: Which of the following is responsible for the early predominant image of Neanderthals as brutish…

A: Paleoanthropology is a subfield of anthropology which is the study of human society, culture, and…

Q: Adaptations to predation in cuttlefish (and by extension in cephalopods)

A: The change in the heritable characteristics of the species across many generations is called…

Q: Describe the structural differences between the pleopods and the pereiopods up the prawn. What…

A: Pereiopods are primarily walking legs and are also used for gathering food.They are also the ten…

Q: invertebrate chordate. Which of the following would ensure that you are indeed looking at a…

A: A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from…

Q: How do the presence/loss, form, and function of the radula differ within members of the Classes…

A: Mollusks are a diverse group of animals that have a wide range of uses for humans. Many mollusks,…

Human Evolution

Human evolution is the process of evolution of humans from early man to anatomically modern humans. The process of evolution in humans leads to the gradual development of traits like bipedalism. Humans are the highly social animals that make them the most advanced animal on Earth.  Human evolution is an outcome of interaction among the following processes: