An animal whose blastopore develops into a mouth and the second opening into the anus can be called ______.   Question 6 options:   a)  acoelomate   b)  bilaterally symmetrical   c)  a protostome   d)  a deuterostome

Q: Which of the following phenotypes would most likely be the result of aHox gene mutation? a. abnormal…

A: Hox genes, a subset of homeobox genes, are a gathering of related genes that determine areas of the…

Q: Give typing answer with explanation and conclusion  Which of the following is the reason for…

A: Organs which have lost some or all of their original functions and forms are referred to as…

Q: A zoologist is investigating an unidentified marine animal specimen. They note that this creature…

A: These properties of the symmetry of the found specimen are: Radial Symmetry along the short axis…

Q: 2. In an experiment on germinating seedlings, a group of Biology students made the drawings shown in…

A: Seeds are the product of ripened ovary after fertilization. They are basically embryonic plant ,…

Q: According to "The Complex Evolution of Homo sapiens", what helped our species to flourish and spread…

A: The question is asking about the factors that contributed to the successful spread and flourishing…

Q: Why do insects exist? This raises the query. How then does an insect get inside? Please provide some…

A: Insects are small, invertebrate animals with six legs. They are the most diverse group of animals on…

Q: Do shrimps and crab undergo an incomplete metamorphosis or a complete metamorphosis

A: Shrimps and crabs come under the Crustaceans, most of which pass through many larval and immature…

Q: The nervous system of the Hydra is _______ _______ while the flatworm’s is ________ _________.…

A: Introduction In terms of biology, symmetry is referred to as the repetition of parts in animals or…

Q: Which pair shows endoparasites? a.)tick and mosquito b.)tapeworm and leech c.)leech and flea…

A:

Q: Question 1 a. What is the difference between incomplete metamorphosis and gradual metamorphosis? b.…

A: Metamorphosis can be defined as the process in which transformation or development of an animal…

Q: A heterodont organism has: A. An absence of molars B. Only canines C.…

A: A heterodont organism is one that has many tooth types in its dentition, each of which has a unique…

Q: In the evolution of the vertebrates , the myocytes provide the stem cells for a) smooth mucscles…

A: The primary component of muscle tissue is the myocyte, often known as the muscle fiber. They are…

Q: Presence or Absence of Nucleus? a. Blood b. Protozoa c. Bacteria

A: The nucleus stands as a membrane-bound organelle residing within eukaryotic cells, which compose…

Q: What is one way in which all eukaryotic cells and all prokaryotic cells are similar? a. They…

A: There are two basic types of cells, eukaryotic cells that have a membrane bound nucleus that hosts…

Q: What genetic changes led to the increasing complexity of the arthropod body plan?

A: Answer- Arthropods are among the most adapted phyla on the planet. There are many factors…

Q: Which is very important body system that helps regulates body fluids, gasses, and blood pressure?…

A: Organ systems include a group of organs that work together to perform a single or a group of…

Q: What ARE possible explanations for how these individuals got into the cave?    A. The Homo…

A: The question is asking for possible explanations for how Homo naledi individuals ended up in a cave.…

Q: What is one important function of melanin?   A. Resets the diurnal biological clock   B. Increases…

A: Dear student, we are authorized to answer one question at a time, since you have not mentioned which…

Q: profile-image For which organism and life stage would you expect to see the most rapid senescence?…

A: Introduction The slow decline of functional characteristics of living organisms is known as…

Q: group of people have already been chosen to go on the first manned space flight to Mars.  Describe…

A: EVolution is a series of changes that occur over several generations and relies on the processes of…

Q: A deuterostome has what type of cleavage Group of answer choices A. spiral, indeterminate at 8…

A: Deuterostomes class include echinoderms, chordates etc.

Q: Aegyptopithecus has features in common with modern monkeys, such as limbs of equal length with…

A: Humans are different from other animals in phylogeny in many characteristics such as bipedalism, the…

Q: Which of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d.…

A: Digestive system is one of the systems in the body which carries out digestion. Digestion is the…

Q: I need the answer as soon as possible

A: BASIC INFORMATION  ANIMAL KINGDOM  It is among one of the five kingdom classified by R.H. Whittaker.…

Q: A coelomate organism may have which of the following characteristics? a. Circulatory system b.…

A: A coelomate organism may have which of the following characteristics?

Q: Asexual reproduction takes place through budding in:  (a) Amoeba(b) Yeast(c) Plasmodium(d)…

A: The biological process by which the offspring (new individuals) are produced from the parents is…

Q: The bacteria clostridium tentani releasew a toxin that ___? A. keeps muscles constantly contracted…

A: Clostridium tetani is a gram positive bacterium which releases tetanospasmin endotoxin, a potent…

Q: The very fact that insects exist raises the question, "why?" The question is, how can a bug get…

A: The presence of insects raises intriguing questions about their existence and how they manage to…

Q: Compare and contrast morula, blastula, gastrula, embryo and fetus.

A: The sequential and highly regulated processes that occur from the fertilisation of an egg (zygote)…

Q: Giovani Aldini's reanimation experiments, especially in humans, were actually aimed at achieving…

A: Giovanni Aldini was an Italian physicist and anatomist who conducted reanimation experiments in the…

Q: Termites digest wood with the help of an enzyme secreted by the- (A) Salivary glands (B) Cells in…

A: Termites are insects that feed on wood. They get nutrients from cellulose found in wood.

Q: 2. Glenoid cavity is found in a) Pelvic girdle b) Pectoral girdle c) Sternum d) Humerous

A: The glenoid cavity is also known as a glenoid fossa of the scapula. It is a small depression present…

Q: We'll find out more about Neandertals later in this module, but one of their most famous attributes…

A: Evidence of archeology suggest that the Neanderthal were the first hominid species to intentionally…

Q: What conclusion can you draw if there are changes in the mole's appearance?

A: A melanocyte (mole) is a specific type of pigment-producing cell that resides in the skin

Q: Which of these processes is MOST directly involved in the resorption of a tadpole’s tail during…

A: The process of resorption of tale in tadpoles is one of the most physiologically notable processes…

Q: You are confronted with two worms that, on first glance, appear to be very similar. Upon closer…

A: Introduction :- An earthworm is a type of worm that belongs to the phylum Annelida. They are…

Q: While studying the embryonic development of an organism, you determine that the blastopore of the…

A: During the embryonic development of an organism, the blastopore of the developing gastrula is…

Q: Which pair shows endoparasites? a.)tick and mosquito b.)tapeworm and leech c.)leech and flea…

A: Parasite is an organism that lives on or in a host organism and get its food from  its host.…

Q: Which of the following is a difference between Adapoids and Omomyoids?   A. Adapoids had a bony…

A: The question addresses a key differentiation between two groups of early primates, Adapoids and…

Q: The human esophagus and trachea share a passage leading from the mouth and nasal passages, which can…

A: Trachea and oesophagus do share a passage asse bleeding from the mouth and nasal passages but where…

Q: Which of the following classes is NOT a member of the Amniota? O A) Reptilia B) Amphibia C) Mammalia…

A: *Amniotes belongs to clade tetrapod vertebrates that consists of sauropsids and synapsids. *…

Q: Which is NOT true about Hardrocodium?A) lived around 195 million years ago B) had a large brain…

A: The question is asking us to identify the incorrect statement about Hardrocodium, a prehistoric…

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: