what is the name of the structure where gastrulation begins in each animal below. Frog and fish has two different names, list them both. Xenopus (frog) 1. _______ frog 2. ______ zebrafish 1. ______ zebrafish 2. _______ mammals 1. _______ The hypoblast becomes a specific structure that is known by two different names. What are they? 1. ______ 2. ______

Q: The oldest body fossils of a land animal are of_____ .a. insects c. cnidariansb. roundworms d.…

A:

Q: Chromosome 3 in orangutansdiffers from chromosome 3 in humansby two inversion events that occurredin…

A: Chromosome 3 in humans: is one of the 23 pairs of chromosomes in humans. Normally, people have two…

Q: Describe the process of qualitative water test for coliform contamination. If shown EMB plates, be…

A: * Coliform bacteria are Bacteria and stains  Gram negative and they can be motile or non motile…

Q: Activity 4. Make a Dichotomous Key. Make a Dichotomous Key for the animals illustrated below…

A: Dichotomous keys are used to identify a variety of things including insects, plants, animals and…

Q: Suppose you are to describe structure 3, which of the following best describes it? 1 2 3 4 Figure 4.…

A: Introduction The given figure shows cell modifications and the labeled parts are:- 1. Free surface…

Q: eyelids hump 10 web

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: cell modification

A: Specialised cells are cells designed to carry out a particular role in the body, such as red blood…

Q: Which of the following is not an ultimate explanation for behavior? O Birds migrate south because…

A: Animal behaviour is the study of how animals navigate around in their environment, engage…

Q: on 10 le contains statements about three stages of respiration. te the table with a tick if the…

A: Glycolysis is the catabolic pathway tgat causes the breakdown of glucose into smaller substances…

Q: What factors make for an effective biological controlstrategy of pest management? What risks are…

A: Factors making effective biological control strategy of pest management:- Narrow target host range…

Q: 1 3 7 Figure 7.3 Dorsal view of the vertebrae

A: >> Here is the dorsal view of the vertebrae of a frog. 1) Atlas - Frogs vertebrae is made up…

Q: The presence of homologous structures in two different groups of organisms suggests that (a) the…

A: The goal of modern systematics is to reconstruct the phylogeny of any group of organisms that share…

Q: For viral pathogenesis, the incubation period

A: It is option a.

Q: Instruction: Fill up the table by computing the dominant alleles, recessive alleles and the…

A: According to Hardy Weinberg equilibrium- p2 + 2pq + q2= 1 and p+q= 1 p = frequency of the dominant…

Q: The lack of voluntary control over urination due to the inability to control the external urethral…

A: Urinary incontinence is resulted by one not being able to hold urine in the bladder due to losing of…

Q: II. Complete the table below. Aerobic Respiration Anaerobic Fermentation Respiration Site Pathways…

A: Respiration pathways :- comparison of aerobic, anaerobic respiration and fermentation.

Q: Tarzan and Jane both have a widow’s peak. Is it possible for them to have a child without one?…

A: Introduction :- A widow's peak is a characteristic, V-shaped hairline that is passed down down the…

Q: Which of the following are produced during the citric acid cycle resulting from the breakdown of one…

A: INTRODUCTION Citric acid cycle This is a series of chemical reaction that result in the reduction of…

Q: The aerobic breakdown of glucose by bacterial cells yields ATP, while the anaerobic breakdown of…

A: The process that involves complete oxidation of respiratory substrate in presence  of oxygen with…

Q: What is metabolism and metabolic pathway? Why glycolysis, b-oxidation of fatty acids and protein…

A: *Metabolism is process in which body will converts the macromolecules or food we Intake to get…

Q: As a field researcher interested in comparing communities in a stream habitat, what data will you…

A: Ecosystem balance, often known as "ecosystem homeostasis," is influenced by both factors that tend…

Q: Using appropriate examples, discuss the variety of echinodermbody plans.

A: Echinoderm are the animals in which endoskeleton of calcareous ossicles are present. All echinoderms…

Q: 2 eye socket 8 5.- 9 6 10 prootic foramen magnum

A: The skeletal system is made up of bones and a few cartilages. This system plays an important role in…

Q: Which of the following represents how nitrogen will move through the food chain? *

A: Plants take up nitrogen compounds through their roots.  When animals eat the plants they obtain the…

Q: ) The SARS-COV2

A: It is option c.

Q: How many protons are pumped in total upon complete oxidation of NADH? How many protons are pumped in…

A: The electron transport chain is responsible for generating electrochemical gradient across the inner…

Q: what is the different between a fiona and a fauna

A: The flora and fauna are the biotic part of an ecosystem. An ecosystem is made up of living and…

Q: A kid let go 4 snails he bought at the pet store in a pond

A: Exponential population growth occurs in the presence of unlimited resources and no negative…

Q: Describe how phylogenetic information can be applied to problems in other disciplines.

A: Introduction Phylogeny can be defined as the evolutionary history of an organism. It can be depicted…

Q: Why would lack of oxygen completely inhibit the Krebs cycle and the electron transport chain but not…

A: Kreb cycle:During aerobic respiration, the sequence of processes by which most live cells create…

Q: 89) **If the UK variant and the South African variant of the SARS-CoV 2 infected the same cell a.…

A: * The virus which causes respiratory disease called coronavirus disease 19 that is COVID-19. *SARS…

Q: A disease is characterized by an abnormally high number of red blood cells. This disease makes the…

A: Blood doping

Q: Question 2. What recruits the enzymes that form the 7-methylguanosine 5'cap on the hnRNA/primary…

A: A single-stranded RNA molecule known as mRNA or messenger RNA. It is a complimentary molecule to DNA…

Q: In which of the internal parts of a chloroplast are the chlorophyll pigments found? 3 2 1 Figure 2.…

A: The cell is the smallest, structural and functional unit of the body that is composed of different…

Q: e filtrate moves out of the glomerular capsule to the and then to the loop of the nephron. proximal…

A: When the filtration leaves the glomerulus, it goes into to the renal tubule, a channel in the…

Q: Starting with a cross between AA and as the proportion of heterozygotes in the F2 progeny will be…

A: Trait is a characteristic features that is unique to particular individual . There are two alleles…

Q: During the cleavage stage of glycolysis, fructose-1, 6 biphosphate is ultimately broken down into…

A:

Q: a. Mrs. Spud has CC' (wavy hair) and Mr. Spud has C'C' (straight hair). What is baby spud's genotype…

A: "Inheritance" is the process through which a child gets genetic information from his or her parents.…

Q: 91) The NDV virus a. The mesogenic ND is less virulent than lentogenic than NDV b. The antigenomic…

A: NDV virus (Newcastle disease virus) :-

Q: Active as opposed to passive immunity may be acquired by: O having a disease or receiving a vaccine…

A: Immunity:  The presence of antibodies to a disease in a person's system confers immunity against…

Q: 88) For The DNA polymerase enzyme: one option is incorrect a. Can work in the nucleus only b. Can…

A: Answer is d

Q: Aerobic Respiration Anaerobic Fermentation Respiration Site Pathways involved Final electron…

A:

Q: Describe two colonial cnidarians.

A: Cnidarians are soft-bodied animals that have a symmetry. They also have tentacles that are armed…

Q: attack and destroy antigen-bearing cells like bacteria or abnormal body cells. O Plasma cells O…

A: Killer T cells, macrophages, and B cells are all stimulated by helper T cells to make immunological…

Q: Media that prohibits the growth of some types of bacteria, but has no reaction to bacterial growth…

A: Introduction Microbiological media, often known as bacterial culture media, is a bacterial growth…

Q: Describe how a sea star feeds.

A: Starfish, often known as sea stars, are echinoderms with a star-shaped body that belongs to the…

Q: If the lines of the ocular ruler are 10 µm apart, and you measure a Paramecium to be 4 ocular units,…

A: Given information Lines on the ocular ruler are 10 µm apart. The length of the paramecium is 4…

Q: Rotational movement of the head is sensed by the: middle ear semicircular canals O cochlea O…

A: ANSWER;- Cochlea Explain;- The vestibular receptors lie in the internal ear close to the auditory…

Q: capable of converting peroxisome hydrogen peroxide to water and oxygen destroys engulfed bacteria…

A: Answer :- * capable of converting hydrogen peroxide to water and oxygen :- peroxisome.   * Destroys…