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describe three major structural or functional similarities between frogs and humans
Describe three major structural or functional differences between frogs and humans
for grade 10s

Answers

Answer 1

a. Three major structural or functional similarities between frogs and humans are Vertebrate Anatomy, Nervous System, and Circulatory System.

b. Three major structural or functional differences between frogs and humans are Reproductive System, Respiratory System, and Skeletal System.

a. Three major structural or functional similarities between frogs and humans are:

Vertebrate Anatomy: Both frogs and humans belong to the vertebrate group, which means they have a similar basic body plan. They both possess a backbone (vertebral column) that provides support and protection for the spinal cord.

Nervous System: Frogs and humans have a complex nervous system that allows them to perceive and respond to their environment. Both species have a central nervous system consisting of a brain and a spinal cord. They also have peripheral nerves that transmit signals between the central nervous system and other parts of the body.
Circulatory System: Frogs and humans have a closed circulatory system, meaning their blood is contained within blood vessels. They possess a heart that pumps oxygenated blood to the body tissues and deoxygenated blood to the lungs (in frogs) or lungs and other respiratory organs (in humans) for oxygen exchange.

b. Three major structural or functional differences between frogs and humans are:

Reproductive System: Frogs have external fertilization and lay eggs, which develop into aquatic tadpoles before transforming into adult frogs. In contrast, humans have internal fertilization and give birth to live young after a gestation period. Humans have complex reproductive organs specialized for internal fertilization and the nourishment and development of the fetus, whereas frogs have simpler reproductive structures adapted for external fertilization in water.

Respiratory System: Frogs primarily respire through their skin, which allows them to absorb oxygen directly from the environment. They also have lungs, but their reliance on cutaneous respiration sets them apart from humans. Humans, on the other hand, rely predominantly on the lungs for respiration, where oxygen is exchanged with carbon dioxide.
Skeletal System: While frogs and humans both have a skeletal system for support and protection, there are notable differences in their bone structure. Frogs have a more simplified skeletal structure with fewer bones compared to humans. Humans, on the other hand, have a complex skeletal system with a distinct skull, spine, ribcage, and limb bones that enable upright posture, fine motor skills, and a wide range of movements.

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Related Questions

Three patterns of population change
a. (A) Young children have a lower death rate in Country 1 than in the other countries.
b. (B) Young children have a higher death rate in Country 1 than in the other countries.
c. (C) More young children live in Country 3 than in the other countries.
d. (D) Fewer young children live in Country 2 than in the other countries.

Answers

Population change refers to the transformation that occurs in a population over time. The modifications that happen in a population are as a result of factors like births, deaths, migration, and others. Three patterns of population change are:a. (A) Young children have a lower death rate in Country 1 than in the other countries:

This pattern depicts a scenario whereby children are more likely to survive in Country 1 than the other countries. Such a pattern could occur due to improved healthcare facilities, which provide access to medical resources like vaccines, immunizations, and other health programs that help to maintain the health of young children. This pattern could also be a result of education, which emphasizes healthy living standards for the citizens of a country.

As a result, the population of young children in Country 1 is likely to increase. b. (B) Young children have a higher death rate in Country 1 than in the other countries: This pattern suggests a scenario whereby young children in Country 1 have a higher probability of dying than the other countries. This pattern could be a result of poor healthcare facilities, a lack of access to medical resources like vaccines, immunizations, and other health programs that help to maintain the health of young children.

As a result, the population of young children in Country 1 is likely to decrease. c. (C) More young children live in Country 3 than in the other countries: This pattern shows a scenario whereby Country 3 has more young children than the other countries. This pattern could be a result of the high birth rate in Country 3. Such a pattern could occur due to various factors like the cultural and religious beliefs of the people in Country 3.

As a result, the population of young children in Country 3 is likely to increase. d. (D) Fewer young children live in Country 2 than in the other countries: This pattern shows a scenario whereby Country 2 has fewer young children than the other countries. This pattern could be a result of the low birth rate in Country 2. Such a pattern could occur due to various factors like family planning, education, and other cultural beliefs. As a result, the population of young children in Country 2 is likely to decrease. The correct answer is A.

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