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When selecting among multiple possible phylogenetic trees that fit our data, we commonly use the principle of _____, which means

nordsb [41]

a. parsimony; simplest; fewest

When selecting among multiple possible phylogenetic trees that fit our data, we commonly use the principle of <u>parsimony</u>, which means we choose the <u>simplest</u> possible hypothesis. In phylogenetic analysis, that means selecting the tree that represents the <u>fewest</u> evolutionary changes or mutations.

Explanation:

Phylogeny describes the evolutionary history of on organism or group of organisms.

A phylogenetic tree structure is used to describe the relationship between various organisms which have originated from common ancestors.

The Principle of Parsimony is best applied while constructing phylogenetic tree.

This principle emphasizes on simple observations on a phylogeny which requires only few changes or variations which explain for the difference between the phylogenic sequences.

This tree structure will only have few specific genetic variations or mutations or evolutionary changes which took place through new appearance of a trait or disappearance of an existing trait.

4 0

2 years ago

A species of butterfly lives in a warm climate. The butterflies feed on the nectar of tropical flowers. Birds eat the butterflie

kirill115 [55]

Answer:

You didn't give options to choose from so I'll just wing it.

Over-predation will most likely be the cause of the extinction of the butterflies

Explanation:

Since the birds are preying on them, their population will most likely go extinct because of the birds.

3 0

2 years ago

Why would a plant's cuticle be an adaptation on land?

erik [133]

B

Plant's cuticle is an adaptation on land that prevents the evaporation of water from the plant.

Explanation:

The cuticle is made of lipid polymers impregnated with wax. A thick cuticle covers the epidermis of the leaves and prevents of some plants to prevent the loss of water from the leaves and plants via evaporation. This is especially a significant adaptation to desert plants that need to conserve water because they receive very little annual rainfall in their environment.

Learn More:

For more on adaptation of desert plants check out;

brainly.com/question/9135213

brainly.com/question/7645036

brainly.com/question/8977509

brainly.com/question/6286061

#LearnWithBrainly

3 0

2 years ago

Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. The cattle and the microorganis

GaryK [48]

<h2>The correct answer is: Mutualism.</h2>

Explanation:

Mutualism can be defined as a type of symbiotic relationship.
Symbiosis can be defined as the type of ecological interplay in between two species localized in the same habitat in which at least one of the species gets benefited in the form of food, shelter or protection due to the interaction.
Mutualism is a type of positive symbiosis in which both the species involved in the ecological interplay benefits due to the interaction in between them.
In the given question, some micro-organisms survive in the digestive tract of the cattle.
These micro-organisms produce the enzyme, cellulase, which helps in digesting cellulose present in the food consumed by the cattle.
The cattle is incapable of producing this cellulase enzyme by itself and is dependent on the micro-organisms for its synthesis.
Hence, the the micro-organisms help the cattle in obtaining nutrition and energy by the digestion of cellulose.
On the other hand, the micro-organisms get shelter, nutrition and protection in the gut of the cattle.

3 0

3 years ago

PLEASE HELP THIS IS DUE IN 2 HOURS

Cerrena [4.2K]

The answer is lette r B observing organism that occupy

4 0

2 years ago