1. Give 5 similar species with different characteristics. 2. Give examples on the reproductive isolating mechanisms.

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Q: The term sexual selection.

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A: MSA plates inoculated with bacteria shows yellow color.

Q: 375 million years ago, the population of organisms we call Tiktaalik had variation in many aspects…

A: Tiktaalik roseae  is a 375 million year old fossil fish which was discovered in the Canadian Arctic…

Q: Is it possible for human beings to undergo asexual reproduction? Why or why not?

A: INTRODUCTION Asexual reproduction doesn't need the fusion of male and female gamete.

Q: How do signals move throughtissues? What are the roles of theextracellular matrix and of…

A: Signals may move through diffusion outside cells attached to migrating cells attached to carrier…

Q: A 20µL unknown protein was mixed with 80µL of water. Then, 10µL of this mixture was added with 10µL…

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Q: Refer to the following CASE Anna who is the wife of John, started to notice that she cannot smell…

A: NOTE: According to Bartleby guidelines only three related questions could be answered in one…

Q: || IV N 2 3 12 5 6 7 8

A: Given: A pedigree. The specific mode of inheritance shown in the given pedigree =?

Q: Which of the following is an inaccurate statement?* fatty acids and glycerol are the building…

A: Introduction :- Fatty acids are the building blocks of fat in both our body and our meals. The body…

Q: Use the dichotomous key for this question. You have determined your unknown organism to be…

A: Pseudomonas aeruginosa is a gram-negative aerobic bacteria. It can cause various infectious diseases…

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A: Lipid is a substance which is insoluble in water but soluble in alcohol, ether and chloroform.…

Q: occasionally, an effor occurs during DNA replication that changes the nucleotide sequence. Aven that…

A: The process by which DNA is copied to RNA is called transcription, and that by which RNA is used to…

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Q: Question 45 Which cells would become active if you had hypocalcemia? osteoclasts osteoblasts…

A: Hypocalcaemia is a condition in which the blood has too little calcium. Hypocalcaemia can be caused…

Q: Answer the following: given bacterial cultures? Escherichia coli MR-Staphylococcus aureus: which…

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A: Vaccination is the use of vaccines to stimulate your immune system to protect you against infection…

Q: What is the relationship of cytokinin with the inhibition of leaf senescence?

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Q: Which of the following statements describing the mobilization and utilization of fatty acids in the…

A: Introduction Fatty acid oxidation is the aerobic mitochondrial process of breaking down a fatty acid…

Q: To describe: The three ways in which natural selection can affect a population over time.

A: Natural selection is the process through which heritable features that increase the likelihood of…

Q: Please explain this Angiosperm Life Cycle

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Q: Identify and label the different structures of the bronchioles.

A: Introduction Bronchioles:- These are air passages inside the lungs that branch off like tree limbs…

Q: Are the following statements regarding the esophagus TRUE OR FALSE 1. The esophagus is held open by…

A: According to Bartleby guidelines, we are required to answer the first three subparts. Kindly post…

Q: The contents of ..once released inside the cell can kill the cell. They can also be used to break…

A: Lysosome They are actually membraneous sac filled with Enzymes. They are found in all eukaryotic…

Q: describe sanger sequencing, also known as capillary sequencing, and explain how it works chemically…

A: Dye terminator technique is modified version of the conventional dideoxy chain termination method…

Q: Which of the following would remove carbon dioxide from the air? a growing pine tree a burning…

A: Pollution is an undesirable change in physical, chemical or biological characteristic of our air…

Q: To explain: The way in which sexual selections works and describe examples of its outcome.

A: Introduction:- The process by which individuals compete for mates is known as sexual selection.…

Q: 1. Ms. Sassa, a biology professor, wanted to demonstrate to her students the applicability of a…

A: The semipermeable dialysis membrane is designed to prevent the loss of large quantities of plasma…

Q: months, but the manifestations of rickets did not diminish. Why did the doctor rescribe calcitriol…

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Q: Describe the differences in the muscularis externa as you descend the esophagus

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Q: Question 4 Sodium channels at the trigger zone initiate action potentials by a feedback negative…

A: INTRODUCTION The voltage gated sodium channels present throughout the body. It conduct sodium ions…

Q: Explain briefly the effect of temperature on Kw.

A:

Q: Scientists estimate that whaling activity in the nineteenth and early twentieth centuries reduced…

A: A population is a subset of individuals of one species that occupies a particular geographic area…

Q: it true that social insects have a greater ability to change the environment than solitary insects?

A: INSECTS Insects belong to the class Insecta and phylum Arthropoda which consist of the largest…

Q: 3. What is the difference between cysticercosis and taeniasis? 4. Why is Hymenolepis diminuta…

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Q: Which of the following biological factors (see biotic factors)  were observed to have affected your…

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Q: An ecologist studying the availability of nutrients and the distribution of the plants that live in…

A: Ecology is a branch of science that deals with the interactions between biotic and abiotic factors.…

Q: The Law of 10% in trophic levels states O Only 10% of the energy in a trophic level is transferred…

A: The energy flow in an ecosystem refers to the transmission of energy from one trophic level to the…

Q: Discuss  the role/s of the cells present in thymus gland.

A: The thymus gland is in the chest between the lungs. It makes white blood cells (T lymphocytes) which…

Q: You use a dye that works well under most conditions, but you do not realize that your study area is…

A: Mark and recapture method Mark and recapture method is used to estimate g population sizes in any…

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Q: physiology of a plant, What is the relevance of ethylene against herbivory and pathogen infestation?

A: Introduction:- To counter/offset the consequences of herbivore attack, plants use a variety of…

Q: Angiosperm Life Cycle

A:

Q: and The Carbon Cycle (3) Food Death, wyg adin

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Q: Dressing Percentage. Compute for the dressing percentages based on the given data. Items Weight (kg)…

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Q: What type of gastrulation is depicted from the diagram below? (A) Blastopore Blastopore 4A 4D 4c 4b…

A: The type of gastrulation depicted from the diagram is: Epiboly

Q: Mutations in which of the following types of cells can be transmitted to offspring? * Body Cells…

A: Introduction A mutation is a change in an organism's DNA sequence. Mutations can be caused by…

Q: Discuss the pathogenicity of Trichiuriasis. How can a human acquire the infection?

A: Introduction Trichuriasis:- It is an infection of the large intestine caused by a parasite called…