Monotremes are unique mammals because they: A. posses hair B. give birth to live young C. secret milk in a pouch D. lay eggs

Q: _____have scaleless skin and a heart with three chambers. a. Amphibians c. Ray-finned fishes b.…

A: Phylum Chordata with a characteristic notochord, pharyngeal gill slits, a post-anal tail, dorsal…

Q: Most insects have wings. Which is the other animal phylum that contains creatures with analogous…

A: Insects is a class of Arthropods. Organisms of this class belongs to the subphylum Hexapoda and…

Q: Vertebrate jaw bones evolved from____ . a. gill supports b. ribs c. scales d. ear bones

A: Vertebrate jaw by A jaw allowed vertebrates to use a large variety of food and interact in predation…

Q: Reptiles are much more extensively adapted to life on land than amphibians because reptiles a. have…

A: Answer is b.)  lay eggs that are enclosed in shells.

Q: Which group of invertebrates is most closely related to vertebrates? A. molluscs B.…

A: Mollusca This is the second largest animal phylum. Are terrestrial and aquatic having an organ…

Q: A B Supposed the plants produce 10,000 calories of energy. How much energy will the Tyrannosaurus…

A: According to the 10% rule proposed by Raymond Lindeman, when an organism eats another, the organism…

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: Why do whales possess a femur and a pelvis? A. They descended from organisms that walked on land. B.…

A: Introduction:- There are some parts of the body that no longer serve a role, yet did in our…

Q: Which of these is or evidence  that catecans ( whales, dolphins and porposes ) are mammals? a.…

A: Taxonomy (taxis- arrangement, nomia- method) is the branch of biology that deals with the…

Q: Which adaptation makes it possible for an animal to live its whole life cycle on land?

A: The correct response to this particular question will be, C. amniotic eggs.

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: The evolution of which of the following features of mammals is hardest to trace through the fossil…

A: Fossil records are the remains of dead organisms that remained intact in various layers of soil in…

Q: A body cavity fully lined with tissue derived from mesoderm is called a______ . a. coelom c.…

A: Mesoderm can be defined as the germ layer that is present in animal embryos  will give rise to the…

Q: Which features characteristic of humans are unlikely to fossilize? a. the bones and dung b. the jaws…

A: A fossil is any preserved remains, impression, or trace of any once-living thing from a past…

Q: The amniotes include all but the a. birds. c. mammals. b. reptiles. d. amphibians.

A: The organisms which have a fetal tissue called amnion are referred to as amniotes. It is found…

Q: The group of mammals that still lays eggs is referred to as    a. Marsupials    b. All lay eggs c.…

A: The mammals belong to the class Mammalia and the main features of them are the presence of mammary…

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

A:

Q: All vertebrates are chordates but all chordates are not vertebrate? Justify the statement?

A: Chordates are those animals that have rod like notochord.In some chordates, the notochord is…

Q: animals found in cooler environments?

A: Several scientists are attempting to figure out however the Arctic ground squirrel (Spermophilus…

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: Which chordate group has the most species? A. Hagfishes B. Lampreys C. Bony Fishes D.…

A: Fishes are typically divided into three groups: superclass Agnatha (jawless fishes), class…

Q: Why was the evolution of the pulmonary veins important for amphibians? a. To move oxygen to and…

A: The pulmonary veins transfer oxygenated blood from the lungs to the heart. It drains from the lungs…

Q: Lobe-finned fishes are important because theya. were the first vertebrates.b. were the earliest…

A: Lobe-finned fishes are coelacanths and lungfish have paired fins that comprise an extended fleshy…

Q: Cite at least three (3) scientific reasons why pangolin or scaly anteater is a mammal despite its…

A: Pangolins are also called scaly anteaters because they do not have teeth and feed on ants and…

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: Unlike eutherians, both monotremes and marsupials(A) lack nipples.(B) have some embryonic…

A: Mammals are warm blooded, have hairs and mammary glands. They are homoiothermous. In the skin oil…

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: Does shrimp have a true tail? Or the uropod is just an appendage/part of the abdomen and not…

A: Shrimps are the crustaceans that are the part of arthropods. They have jointed appendages and…

Q: why is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations

A: Symmetry in the body decides, the body plan of an organism. Accordingly organisms can be divided…

Q: Vertebrates and tunicates share(A) jaws adapted for feeding.(B) a high degree of cephalization.(C)…

A: Chordata is the largest phylum of subdivision- Deuterostomia. It was created by Balfour in 1880.…

Q: Which of the following is NOT a characteristic of all reptiles?      A Use lungs and skin for…

A: Reptiles are four legged organisms which form an intermediate group between mammals and amphibians.

Q: Which group of invertebrates is most closely related to vertebrates? a. cephalochordates b.…

A: The phylum chordate contains subphylum vertebrata and invertebrates. In invertebrates, there will be…

Q: Describe the traits unique to mammals.

A: There are a total of 5000 species of mammals and they come under the phylum Chordata, belonging to…

Q: probably Choose a or b a. provide fish with jaws in order to be fearful predators. b. store calcium…

A: Bones are the structures present in the body of vertebrates. Bones provide structure to the body and…

Q: Fill in the blanks: is a large phylum of animals that includes the vertebrates together with the sea…

A: Hi, Thanks For Your Question.  Q. 1 Answer : Chordata. Explanation : Chordata Is A largest Phylum Of…

Q: The first primates evolved from (a) shrewlike monotremes (b) therapsids (c) shrewlike placental…

A: Humans are classified as part of the Tribe Hominini, which includes modern-day Homo sapiens as well…

Q: Explain why birds are considered reptiles

A: Reptiles belong to Class Reptilia and refers to tetrapod animals including crocodiles, snakes,…

Q: Cephalopods have complex eyes that arose separately from vertebrate eyes that are also used in…

A: Answer:-  Cephalopods vision system is very complex systems like in vertebrate .  And the eye…

Q: The similarity in bone structure and arrangement between cats and bats suggests that Humerus -…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: In the evolutionary tree of vertebrates, birds are most closely related to: a) Mammals b) Crocodiles…

A: A chordate is a phylum which contains vertebrates like mammals, birds and some fishes and also…

Q: A bird or feathered dinosaur is ________. a. Neornithes b. Archaeopteryx c. Enantiornithes d.…

A: Dinosaurs that have feathers on their body are known as feathered dinosaurs. This species of…

Q: Question: The development of amniote eggs allowed animals to move away from water.   True or False

A: Cells are the basic units of life and based on the cellular composition and complexity living…

Q: Turtles, lizards, and birds belong to one major lineage of amniotes, and_______ belong to another.…

A: Introduction:- Amniotes are vertebrates that grow their embryos in a sac called an amnion. A…

Q: Until recent discoveries suggested otherwise, animals existing before the Cambrian period were…

A: Cambrian explosion took place nearly 541 million years ago in the Cambrian period. Fossil records…