The diagram shows a phylogenetic tree. Ray-finned fish Sharks Amphibians Primates Rabbits Crocodiles Birds Hair Amniotic egg Four limbs Bony skeleton Vertebrae Which organism diverged first? O birds primates rabbits O' sharks

Q: What is phylogeny? Why is it considered an important field in understanding evolutionary processes?

A: Phylogeny is the representation of the evolutionary history and relationships between groups of orga...

Q: Deontology theory about euthanasia

A: Introduction: Euthanasia is the intentional ending of a person's life in order to relieve pain and s...

Q: In what way can our diet affect the local or global soil organic matter and soil health? Explain tho...

A: Humans can affect the soil by adding various chemical fertilizers during the agricultural practice, ...

Q: 3. The gene that controls coat colour in rabbits has four alleles: agouti (C), chinchilla (cck), Him...

A: Answers :  A) Heterogeneous Himalayan rabbit Chch    Chinchilla rabbit-  cchcch

Q: Why do we usually express crude birth and death rates per thousand people? Why not give the numbers ...

A: 1. The crude birth rate and crude death rate are both measured by the rate of births or deaths respe...

Q: Which  sentence says true about evolutionary relationship of organisms? *         a. DNA evidence sh...

A: Evolutionary relationship  It explains the relationship between species. It relates the similarities...

Q: An event that became a symbol for the antinuclear movement was the Three Mile Island accident. O Tru...

A: It is True that an event became a symbol for anti nuclear movement was the Three mile island acciden...

Q: How are the metabolic pathways different in lactic acid fermentation and ethanol fermentation?

A: Lactic acid fermentation as well as alcoholic fermentation both occurs in absence or lack of oxygen....

Q: What is the earthworm’s ability to sense wetness or dryness?

A: A terrestrial annelid worm belongs to the class Oligochaeta is known as the earthworms. In other wor...

Q: Do you think circumcision should be illegal?

A: Circumcision is a surgical procedure that includes removal of foreskin of penis. 

Q: The microscope image above shows the human chromosomes from a white blood cell.  To create the image...

A: Collected from WBC  G1 phase No Explanation is given below

Q: hragm suddenly (briefly, but forcefully) contracts during a hiccup. what happens to each of the foll...

A: BASICS: - Diaphragm in a state of relaxation exhibits a dome shaped structure. When diaphragm contra...

Q: Which of the following is NOT a feature associated with filtration?   sterilization of heat-sensitiv...

A: Filtration is a process in which the smaller or liquidy substances can be removed from the larger so...

Q: How does the nervous system distinguish between stimuli of different types?

A: The term stimulus refers to a change in the environment that can be detected by a receptor. The rece...

Q: How come the conclusion came to be as half of the son and none of the daughter have precorious puber...

A: It is a condition in which a child's body changes in an adult too soon before pubery. 

Q: What microbial structures are the most resilient forms of life?   Bacterial endospores Enveloped vir...

A: Microbial biology, sometimes known as "Bacteriology," is the study of unicellular bacteria. Bacteria...

Q: A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)   aeroto...

A: Obligate aerobes are those bacteria that grow exclusively in the presence of molecular Oxygen and fa...

Q: DISCUSS THE IMPORTANCE OF THE FATS  IN PREPARATION OF CULINARY CUISINE

A: Fats are ester of fatty acids, they are if two types saturated and unsaturated fatty acids. 

Q: What is meant by the term keystone species, and what types of organisms are most often considered ke...

A: Keystone species have a wide range of impact, and secondary or tertiary consumers are the most commo...

Q: How can you change the concentration of affinity for polymerase to maximize the production and expre...

A: Answer :- Improvements in protein articulation can be accomplished through lessening the pace of rec...

Q: 1.What are the mechanisms that produce change in populations across generations? 2. How does natural...

A: The physical and functional unit is usually stated to define as they are known heredity is the gene....

Q: Which of the following statements is true about the IL-1 family of cytokines? A. They are powerful a...

A: IL-1(Interleukin-1) family of cytokines are a group of 11 cytokines that are associated with innate ...

Q: explain how the sensory neurons, interneurons, and motor neurons work together to relay the informat...

A: Neurons are the cells that make up the brain and the nervous system. They are the fundamental units ...

Q: This specific major lipid component of Acid-fast cell wall is a strong "hydrophobic" molecule that a...

A: Answer :- Specific major lipid component of acid-fast cell wall is strong "hydrophobic" molecule tha...

Q: One beneficial mutation is using point mutation in improving food crops, resulting in variation and ...

A: Answer 

Q: cholinergic receptors are locat

A:

Q: A mutation creates a STOP codon where one was not before. Which of the following could NOT be the mu...

A: Stop codons are triplets of nucleotides found in messenger RNA (mRNA) that signify the end of protei...

Q: Write out the sequences of the two conserved elements in the following bacterial promoter. The start...

A: In the transcription unit, the transcription start site is marked as +1.  

Q: the tree to determine which lineage is oldest. Hagfish Salamander Lizard Perch Mouse Pigeon

A: A phylogenetic tree is a pictorial representation that shows the lines of evolutionary descent of di...

Q: Describe how limiting factors relate to carrying capacity

A: Introduction Carrying capacity is defined as the average population size of a species in a given hab...

Q: Rhizobium is important agriculturally because it supplies __________ to plants such as peas and bean...

A: Rhizobium is a rod shaped bacterium which are found in the roots of leguminous plants such as sweet ...

Q: Some members of the spirochetes move by means of   gliding. peritrichous flagella. axial filaments. ...

A: Spirochetes are a group of six genera of spiral-shaped, long-slender bacteria. They could be self-co...

Q: How do fossils provide evidence of evolution?

A: Fossils are important evidence for evolution because they show that life on earth was once different...

Q: Bacteria in the phylum Firmicutes are distinguished from the phylum Actinobacteria on the basis of  ...

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology...

Q: Consider the 5 tasks necessary for cell survival that you learned about in Activity 2. Pick ONE task...

A: Cell survival is the function that requires the least amount of GM-CSF and hence receptor occupancy,...

Q: What are homologous chromosomes? Which are the human cells that do not have homologous chromOsomes?

A:   From the above question we have to explain What are homologous chromosomes? And aslo we will discu...

Q: Identify and describe the terrestrial biomes of the world

A: Biomes present on earth can be distributed in polar, tropical, and temperate areas. One of the forms...

Q: Help answer. Describe the components and process and explain how the process is occurring. Help answ...

A: The immune system is a complicated physiological system comprised of several organs, tissues, and ce...

Q: How do we use the dichotomous key?

A: The Dichotomous key is a tool that scientists use to determine the classification of living things i...

Q: Alcohols are used for   sterilization. disinfection. antisepsis. both sterilization and disinfection...

A: Antiseptic, disinfectant, and sterilization are different techniques used for the control of infecti...

Q: How do the nitrogen-fixing genera Azospirillum and Rhizobium associate with plant roots?   Rhizobium...

A: Option 3 is correct (Azospirillum stays on the outside of the roots of tropical grasses, while Rhizo...

Q: EXPLAIN THIS IN NOT MORE THAN 5 SENTENCES. Charles Darwin published his book On the Origin of Specie...

A: Charles Darwin was a naturalist and gave very important theory of Natural selection. 

Q: Circle the letter of each sentence that is true about evolutionary relationship of organisms? *     ...

A:

Q: What is NOT a function of the nervous system?   A. delivers oxygen to cells         B. coordination...

A:     INTRODUCTION         In ourr human body nervous system is the major process for controlling, reg...

Q: ESIIUN ur body is made up of over 200 different cell types These cell types are different from each ...

A: All multicellular organisms, including humans, have a number of cells in their bodies. The type of c...

Q: Using the concepts of trophic levels and energy flow, explain why the ecological footprint of a vege...

A: Tropical levels in a ecological systems makes a ecological balance in the environment. In this ecolo...

Q: what happens when the wrist is in extension while wiggling the fingers?

A: The movements of different portions of our bodies are controlled by a system of levers that consists...

Q: In pineapples, leaves may be spiny, spiny-tipped or piping. Pineapples of different phenotypes were ...

A: Introduction: Epistasis is a sort of gene interaction in which one gene masks or obscures the effect...

Q: Question:- 3. Wild type Drosophila has red eyes and gray body*. Autosomal recessive mutations sepia...

A: ANSWER- A:-

Q: Describe the different types of DNA mutations, causes and repair mechanisms

A: Answer 

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.