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3 years ago

Discuss factors that influence physical growth and development

Biology

1 answer:

irina1246 [14]3 years ago

7 0

Answer: Factors that affect physical growth and developments are;

1. Sex: sex of a person can affect physical growth and development. It is said that male tend to mature easily.

2. Nutrition. Bad nutrition can affect growth. When a person consume unbalanced and appropriate diets frequently, it will affect his development and growth.

3. Heredity: this is the transfer of genes from parent to offsprings. The type of genes or physical characteristics transmitted by parent to offsprings will determine the offsprings level of growth and development.

4. Hormones: if hormones necessary for growth and development are not secreted in the required amount, it can affect growth and development.

5. Environment: The environment we find ourselve determine our level of development.

6. Exercises and health: If you don't exercise daily, muscle development might not be visible and poor health after growth.

Explanation:

Growth is the increase in size of an individual.

Development is the increase in functionality and individuals ability . There are four stages of growth, infancy, childhood, adolescence and adulthood. Growth and development can be affected by several factors.

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Answer:Mechanical digestion physically breaks down food, like when teeth macerate food into a bolus. The stomach contracts and relaxes in a churning motion. ... Chemical digestion occurs when the bonds within larger food molecules are broken, creating smaller molecules that the body can use.May 30, 2017

Explanation:

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3 years ago

How does geographic distribution of organisms support evolutionary theory?

Serga [27]

Because the organism is distributed across the world, and isn't seen anymore, scientists can conclude tat they must have evolved. They can compare one species to the fossils they may have found, and determine that they were related. Then by looking at the species on another part of the world compare the same fossils to other animals and determine that they are similar, sharing a common ancestor.

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3 years ago

In humans having a wide jaw (W) is completely dominant to having a narrow jaw (w). Having large teeth (L) is completely dominant

Orlov [11]

Answer: The man's genotype is WwLt while the woman's genotype is wwLt.

Explanation: From the information given above, W is the allele for wide jaw, w is the allele for narrow jaw, W is completely dominant to w, L is the allele for large teeth while t is the allele for small teeth.

The man has wide jaw but his mother has a narrow jaw, since narrow jaw is recessive the man must have inherited one recessive allele for narrow jaw from his mother who has two recessive alleles for narrow jaw. Therefore since the man has wide jaw, he must be heterozygous for wide jaw (having one dominant allele for wide jaw and one recessive allele for narrow jaw), his genotype for wide jaw is therefore Ww. The man is heterozygous for teeth size, this means that he has one dominant allele for large teeth and one recessive allele for small teeth. His genotype for teeth size is Lt. Therefore the man's genotype is WwLt.

The woman has a narrow jaw, this means that she has two recessive alleles for narrow jaw (ww) and she is heterozygous for large teeth size, this means that she has one dominant allele for large teeth and one recessive allele for small teeth (Lt). Therefore, the woman's genotype is wwLt.

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3 years ago

Explain how scientific knowledge develops through making observations about the natural world.

Sveta_85 [38]

Answer:

through technology

Explanation:

through technology it develops the world

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3 years ago

Read 2 more answers

g The pH of the space between the inner and outer mitochondrial membrane is ______________ the pH of the mitochondrial matrix.

AURORKA [14]

Answer:

lower than

Explanation:

The protons obtained from the spit of hydrogen atoms, to protons and electrons, (which was transported to the Matrix of the mitochondria by NADH and FADH2 ) are pumped by PMF into the intramembrane space.

The constant pumps by the PMF,due to the electron transport chains set up high concentration of Hydrogen ions in the intramembrane space.If pH is -log[H+] then the high the number of H+/protons,the stronger the acidity,and lower the pH of the medium.

This set up higher electrochemical gradient compare to the matrix.Thus H+ diffuses down the gradients into the matrix.

This generate energy needed for the synthesis of ATPs by ATPase synthase in the matrix

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3 years ago

Discuss factors that influence physical growth and development ​

Discuss factors that influence physical growth and development