Explain antibiotic resistance observed in bacteria in light of Darwinian selection theory.

Q: In Pulliam 2000 (a paper we read for class), what aspects did the author incorporate to extend the i...

A: G. Evelyn Hutchinson has proposed the concept to characterize the ecological niche of a species as a...

Q: Interference competition is when competitors а. interact through a shared predator or parasite b. in...

A: Introduction: When two species compete for the same resource,  and one of the organisms denies its c...

Q: Homeostasis has been characterized by all living organisms, which is essential for survival. Which o...

A: When an object consists of cells, responds to the environment, grows and develops, produces offsprin...

Q: . Refers to a trait showing essentially continuous phenotypic variation 1. Incomplete Dominance 3. E...

A: A phenotype is expressed by the combination of genetic and environmental factors. Phenotypic variati...

Q: An individual heterozygous for four genes, A/a • B/b •C/c • D/d, is testcrossed with a/a • b/b • c/c...

A: A cross is the mating of two people that results in the fusing of gametes and the creation of progen...

Q: how evolution produce the tremendous amount of diversity among organisms

A: Evolution is a biological process, that results in modification of characters of an organism over th...

Q: Inside eukaryotic cell which organelle houses the genetic information of the cell

A: Eukaryotic cell have a membrane bound organelles and membrane bound nucleus present in it.There are ...

Q: 36. Which of the following examples correctly identifies crossing from the external environment to t...

A: The human body is a complex entity. This entity is made up of different organs and organ system. For...

Q: MULTIPLE CHOICE 1. Which of the following does not belong to the group A. Polydactyly B. Rh Blood fa...

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous chrom...

Q: Which of the following was NOT a factor shaping the broad scale distribution of populations of a spe...

A: Historical factors helps in shaping the broad scale distribution of population of species.

Q: The human blood is classified into four different blood types, namely A, B, AB, and O, due to the di...

A: Answer :: First we shoud know Agglutination. Agglutination is the formation of the clumps of cells w...

Q: Which of the following is NOT true about the transmission of diseases of the digestive system? Whic...

A:

Q: Suggest the aspects of reproductive health which need to be given special attention in the present s...

A: In the current scenario, the following aspects should be given special attention:  (1) Counseling an...

Q: Describe an example of evidence for natural selection and an example of evidence for artificial sele...

A: Natural selection is a process that favors heritable traits that increase the survival chances of an...

Q: 2. What is the cfu/g or cfu/mL in each sample if the following counts were obtained after spread pla...

A: Potato dextrose agar is a media which is used for growth of yeast and molds. 

Q: How do your phenotypes compare with the most frequent phenotypes in the class population

A: there are many common traits that follow the Mendelian rules of inheritance that could be used for e...

Q: A 70 year old to form urinary stream and urgency. On per-rectal examination, prostate was found to b...

A:  Alpha adrenergic blocker :- Prazosin, Terazosin, and Doxazosin are -adrenergic blockers that have b...

Q: Scaffold proteins (a) release kinases and phosphatases into the extracellular fluid (b) bind G prote...

A: Scaffold proteins play critical roles in many key flagging pathways. Despite the fact that framework...

Q: Please provide the Preferred Specimen/Tissue Medium with brief explanation of the following types of...

A: Microtome: it is a cutting tool which is used to generate extremely thin slices of material which is...

Q: d.

A: Answer--

Q: . An RFLP analysis of two pure lines A/A • B/B and a/a • b/bshowed that the former was homozygous fo...

A: Genes are the fundamental biological unit of inheritance. They are deoxyribonucleic acid (DNA) segme...

Q: A child has blood group O. If the father has blood group A and mother blood group B,work out the gen...

A: Blood is made up of red blood cells, white blood cells, and platelets in a liquid called plasma. The...

Q: Do you think the amount of “biodiversity” is related to the amount of “Ecosystem services” in your s...

A: Answer :: Certain biology phrases refer to essential principles in biology, which is the study of li...

Q: The endothelial cells found closest to the site of an infection, express proteins called lectins. Ea...

A: As per bartleby guidelines we are allowed to answer only one question please post the other separate...

Q: Tertiary carnivores like lions can eat other carnivores. Group of answer choices True False

A: Introduction  In ecosystem,  functional role is played by- Producers  Herbivore/ primary consumers ...

Q: Blood being carried towards the heart is always oxygen-depleted. True False

A: Oxygen reaches to the different tissues of our body with the help of blood . The blood carrying oxyg...

Q: 1.Which among the following statements is INCORRECT? A.Phenotype is the pair of genes that carries t...

A: Option A is incorrect because Phenotype" refers to an observable trait. "Pheno" simply means "observ...

Q: 34. Which of the following is an example of antagonistic hormones? to. Thyroid hormone (T3/T4) and p...

A: When a pair of hormones have the opposite effects, then they are called as antagonistic hormones. An...

Q: How do organisms evolve? Explain clear

A: Evolution is the process by which the traits of a species evolve over numerous generations through t...

Q: Provide the taxonomic details of all the observed representatives of Platyhelminthes.

A: Phylum Platyhelminthes is a member of the Animalia kingdom. There are 13,000 species in this phylum....

Q: In a haploid fungus, the genes al-2 and arg-6 are 30 m.u.apart on chromosome 1, and the genes lys-5 ...

A: Chromosomes These are the densely packed DNA structures with proteins.Multiple genes can be found on...

Q: Describe three types of responses that cells make to signaling molecules.

A: Cell signaling is the ability of a cell to receive, process, and transmit signals with its outer env...

Q: Identify the part in a flowering plant and write whether it is haploid (n) or diploid (2n ). Ovary

A: The word 'Ploidy' refers to the number of Chromosome sets contained inside a nucleus, according to d...

Q: (H and E STAINING) State the purpose of the following in staining: A. XYLENE 1 AND 2 B. Alcohol Abso...

A: The H and E stain stands for Hematoxylin and eosin. Thus stain is widely used in the preparation of ...

Q: How do we detect relatedness among species? subject is evolution subject please include concept of e...

A: Phylogenetics is the study of evolutionary development and relationships among different organisms. ...

Q: Basis of Phylum Phylum Phylum Phylum Arthropoda Comparison Nematoda Annelida Mollusca Number of germ...

A: Earlier formed organism are simple like porifera, cnidiaria etc. While the body organization gets co...

Q: Body Weight Determination Pig - Cattle - HG: 121 cm, BL: 117 cm HG: 208 cm Method Pig ID# Cattle ID ...

A: Formula to measure body weight =  Square the Heart Girth to get the Girth Result then Multiply the G...

Q: Why are patches in a landscape mosaic often important to people who are interested in conserving pop...

A: Dispersion of living organisms around the Earth can be used to describe the way in which a populatio...

Q: One plant may contain hundreds of individual seeds, each resulting from a separate fertilization eve...

A: Let's say gene controlling seed color has 'B' and 'b' alleles. 'B' is the dominant allele for black ...

Q: the sense-integrate-act loop, the brain is always where signals are integrated.   True False

A: Sensory nervous system: Involves the sensing and execution of signals in response to various stimuli...

Q: How did Hopi culture contribute to the high incidence of albinism among members of the Hopi tribe?

A:  Hopi women are known, even today, for their pottery skills, and they are also known for silversmith...

Q: Fill in the blank. Humans are (oviparous, viviparous, ovoviviparous)

A: Humans are viviparous is the correct Answer  Check exploitation below steps    

Q: X-linked lissencephaly is an X-link dominant trait pertaining to a brain disorder. It superficially ...

A: Given information Lissencephaly is an X-linked dominant trait Mr. Panganiban is affected by the dis...

Q: What are the major functions of male accessory ducts and glands?

A: Given: The male reproductive system is located in pelvis region. It includes a pair of testes, along...

Q: If genes a and b are 30 m.u. apart, what percentage of the gametes produced by an AaBb individual wi...

A: In a allele the distance between two gene a and b is 30 map unit. That's mean the recombinant probab...

Q: name the 4 main different part of female reproductive system using your own words describes the horm...

A: The four important parts of female reproductive system are: 1)Ovaries: They are the primary female r...

Q: Write an essay identifying the two categories of lymphoid organs and their roles in the body's immun...

A:

Q: This tissue is used for the transport of sugar. Group of answer choices What is Xylem? What is Phloe...

A: Plants, animals, and precipitation are all interconnected and interdependent in some way. Plants pro...

Q: -wrist and ankle are type of Irregular bones O Long hollow bones O

A: Skeletal system consists of bones and cartilages. Bones and cartilages are specialized connective ti...

Q: Why is classification necessary in the study of biology?

A: There are lot of species of a particular organism . But practically,  it is not feasible to learn an...

Prokaryotic evolution

The term evolution means the gradual change or a transformation from a simple or primitive state to a complex or advanced state. Prokaryotic evolution is a concept that involves the evolution of the form and function of most primitive organisms (prokaryotes) through several stages and changes to form diverse life as a part of organic evolution.