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Elis [28]
1 year ago
7

In a community a species of birds has some individuals with a different size and others which statement correctly explains how p

hysical differences in beaks would develop?
Biology
1 answer:
krok68 [10]1 year ago
3 0

Physical differences in beaks of birds would develop as a result of different environmental changes.

<h3>What is Evolution?</h3>

This is described as the process in which heritable characteristics are changed in species over successive generations. This occurs as a result of natural selection in which the traits suitable for survival are passed to the offspring.

This is usually as a result of a change in the environmental factors which ensures that the organisms are able to adapt so as not to die out and go extinct in this type of scenario.

Read more about Evolution here brainly.com/question/12271572

#SPJ1

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Hairlessness in American rat terriers is recessive to the presence of hair. Suppose that you have a rat terrier with hair. Expla
Reil [10]

Answer:

By performing a test cross i.e. a cross with a recessive trait

Explanation:

According to the question, hairlessness is a recessive trait, meaning that it will only be expressed in a homozygous condition i.e. when there are two recessive alleles in the genotype. Presence of hair is dominant, meaning that it will mask the phenotypic expression of hairlessness allele in a heterozygous state. Hence, a dominant phenotype can either be homozygous (same dominant allele) or heterozygous (combination of dominant and recessive alleles).

In order to determine which of these genotypes the dominant phenotype possess, we perform a test cross. A test cross is a cross performed to determine the genotype of the dominant organism by crossing it with a homozygous recessive genotype.

Ideally, the offsprings resulting from the cross will all be phenotypically dominant if the organism in question is homozygous dominant but if the organism is heterozygous dominant, the offsprings will occur in an equal ratio of dominant to recessive phenotypes.

So in this case, all of offsprings of this cross between the rat terriers will possess hair if the dominant rat terrier dog is homozygous, but if the dominant rat terrier dog is heterozygous, an hairless offspring will be produced.

8 0
3 years ago
Mitosis is the division of a cell's ____.<br> A. nucleus<br><br> B. cytoplasm
horrorfan [7]
Answer:

It’s B, cytoplasm
3 0
2 years ago
Read 2 more answers
A musk ox and the Alstroemeria flower have physical structures and organs that have similar functions. Provide two examples of s
gladu [14]

Answer:

Mammals

Birds

Explanation:

The Organs which perform same function and looks but they are different in their structure from each other are called as analogous organs.

Organs are the structures that made up of two or more tissues organized to carry out a particular function.

An organ or bone that appears in different animals with same function is called homologous structure.

Homologous organs have similar origin n basic structure but perform different functions in different organisms. Analogous organs are different in basic structure but perform same functions.

Different animals have bones that appear very similar in form or function and seem to be related.

Examples

The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar sharing common traits.

The forelimbs of all mammals have the same basic bone structure.The structures are similar because they evolved to do the same job.  For example, the wings of bats and birds.

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2 years ago
Please please help i’ll give that brain thing if you actually help with an explain :(
lorasvet [3.4K]
I think the answer is c
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2 years ago
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What is the outcome of glycolysis?
alexdok [17]
The correct answer is A....
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