BIOLOGY HIGH SCHOOL

Other biologists of Darwin's time had proposed that living things had changed over time. Which feature distinguished Darwin's theory of evolution from the proposals of the other biologists?

Answers

Answer 1
Answer:

Darwin's Theory

Explanation:

  • Darwin's suggestion that Earth's numerous species are relatives of hereditary species that were not quite the same as the present-day species.
  • The  characterized all the more barely by as an adjustment in the hereditary synthesis of a populace population from generation to generation
  • Charles Darwin (1809–1882) and others, expressing that all types of living beings emerge and create through the regular determination of little, acquired varieties that increase the individual's ability to compete, survive, and reproduce.
  • Darwin's hypothesis of development by regular determination expresses that living things with useful attributes produce more offspring than others.
  • The first planned in Darwin's book name is  "On the Origin of Species" in 1859, by the natural selection is the procedure by which creatures change after some time because of changes in heritable physical or social characteristics.
Answer 2
Answer:

Answer:

darwin cited examples from nature based on observations he made

Explanation:

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Meiosis results in greater genetic variation thanasexual reproduction because it?? Help please

Answers

This is because of independent assortment at metaphase, crossing over at prophase I, and also, sexual reproduction occurs between two gametes each with different genetic material. There's random mating and also random fertilization (which sperm gets the egg).

Answer:Ninjbhwhi

Explanation:

A concept that there is a specific time in an organism's development during which external factors have a unique and irreversible impact is: A. ethology
B. equifinality
C. critical period
D. zone of proximal development

Answers

Answer:

critical period

Explanation:

  • During the lifespan of an organism, there is a developmental stage during which the environmental stimuli have the greatest impact on the nervous system and hence, the external factors have an irreversible impact on the organism's development. This is termed as the critical period.
  • During the critical period a person develops several essential life skills such as vision, first language, hearing, etc. and a failure to receive the external factors during this critical period, may make it nearly impossible to learn those life skills at a later stage.
  • The critical period usually begins during the prenatal stage and continues until adolescence whereas closes at around adulthood.
  • During the critical period, the cellular events, as well as sensory experiences, need to coincide to function successfully and generate an impact.

Water obtained from natural resources does not show neutral pH. What is the reason behind this?The neutral nature of water changes due to its ability to dissociate into H+ and OH- ions.
The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH.
The neutral nature of water changes due to mixing of other neutral substances, thus changing its pH.

Answers

Answer:

Option B, The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH.

Explanation:

Water obtained from natural sources like underground water, sea water, rain water etc are not neutral in nature. This is so because water extracted from all these sources contains several dissolved salts/chemical components which either reduces or increases their pH.

The ground water contains lot of dissolved carbonates and bicarbonates (as it remains in contact of rocks beneath the earth) due which it becomes extremely hard and has a pH greater than 7. On the other hand rain and snow water are acidic in nature and have a pH between 5 to 6.

Thus, it is only due to the dissolved bases and acids in natural water which makes it either acidic or basic in nature.

right answer: The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH.

As temperature increases, humidity decreases true or false only answer if u know 100

Answers

Yes it does because the vapor starts to become water.
False, because humidity actually increases.

Which part of the eye is a muscle that regulates the size of the pupil

Answers

The Iris is what regulates the amount of light within your pupil. Depending on the quantity consumed, it will either expand or shrink. 

An interaction between two organisms in which one usually benefits is known as

Answers

Symbiotic relationship /Interaction  

In a symbiotic relationship, two organisms live in close association and at least one of them is benefited out if this association.  

There are basically three types of symbiotic relationships –

a) Mutualistic Relationship – In this both the organisms living in association get benefited.  

b) Commensalism Relationship – In this association, one organism is benefited while the other is neither benefited nor harmed

c) Parasitic Relationship – In this association, one organism is benefited while the other one is harmed.  

Answer:

Symbiotic

Explanation:
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