Plants, Animals, and Humans Test

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In which structure of the plant does gas exchange occur most frequently?

flowers

tap roots

leaves

stems

The diagram shows an experimental setup and its results after two weeks.

Which tropism is this experiment designed to test?

thigmotropism (touch)

chronotropism (heart beat)

phototropism (light)

gravitropism (gravity)

What is one reason that some plants have a strong scent?

to take in nutrients from the soil

to shed extra water off the plant

to conserve water during dry periods

to attract animals to spread its pollen

What is one possible reason for seeds to have hooks or barbs?

to stay warm during the winter

to stick to animals and steal nutrients from them

to stick to passing animals and get carried away

to protect themselves from sunlight

A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.

thick, waxy, spike covered leaves

ability to attach to and grow upwards on taller trees

shallow root system near the surface

extremely long root system

Which property of an animal’s mouth most strongly indicates whether the animal is a carnivore or a herbivore?

the chemical composition of the teeth

the symmetry of the teeth and other mouthparts

the shape of teeth, such as sharp or flat tops

the size of the mouth

The small intestine is named small because it is relatively narrow and not because of its length. In fact, in mammals, the small intestine is the longest organ of the digestive tract. The small intestine has many coils or loops that allow it to pack into the abdominal cavity.
The table compares a typical body length and small intestine length for several animals, including humans.

Which conclusion is most strongly supported by the data in the table?

Only plant matter, and not meat, is digested in the small intestine.

The width of a mammal’s small intestine can be estimated from the ratio of its body length to small intestine length.

The length of a mammal’s small intestine can be estimated from its body length.

The digestion of plant matter requires a longer small intestine than the digestion of meat.

The diagram shows the structure of an amniotic egg, which is laid by reptiles, birds, and a few mammals.

The development and use of the amniotic egg in these species provided an important evolutionary advantage, for which reason?

It allowed a female to reproduce without a contribution from the male.

It allowed reproduction to occur away from a body of water.

It allowed for a greater number of eggs than fish or amphibians could lay.

It allowed for offspring to develop from an embryo.

Nala is explaining how the development of adaptations by natural selection depends on sexual reproduction. Which statement is most useful for Nala to include in her explanation?

Sexual reproduction allows natural selection to occur by maintaining or increasing the genetic diversity within a population.

Sexual reproduction produces large numbers of genetically identical offspring, which increases the rate that natural selection occurs.

Sexual reproduction allows natural selection to occur by removing traits that are poorly adapted to the environment, which decreases genetic diversity.

Sexual reproduction produces large numbers of offspring that are identical to either parent, which increases the rate that natural selection occurs.

Under normal circumstances, the circulatory system and the respiratory system work together to bring oxygen to cells and to remove carbon dioxide from the body. What would happen to these systems if the interface between them was deactivated, removing their ability to work together?

Each system would continue to function with increased efficiency.

One system would take over the function of the other, but overall efficiency would decrease.

Both systems would quickly cease to function, and death would quickly occur.

Each system would continue to function, but less effectively.

Organ systems of the human body include the circulatory, respiratory, digestive, nervous, muscular, and skeletal systems, along with several others. What best describes the relationships among these systems?

Each system generally depends on the functions of a few other systems, but sometimes functions independently.

Each system depends on the functions of the other systems, and could never function independently.

Each system depends on the function of one or two other systems at the most.

Each system functions independently of the other systems.

Which two body systems work together to help a person move?

skeletal system and muscular system

nervous system and digestive system

circulatory system and excretory system

circulatory system and respiratory system

Which statement best describes the function of the nervous system in the human body?

It processes food in the body

It controls all actions in the body.

It transports nutrients in the body

It exchanges gases in the body.

Which diagram represents the human body system responsible for breathing?

The table lists the functions of some body systems. Which body systems are responsible for the functions listed?

1: circulatory system; 2: digestive system; 3: respiratory system

1: skeletal system; 2: circulatory system; 3: digestive system

1: digestive system; 2: muscular system; 3: nervous system

1: skeletal system; 2: circulatory system; 3: nervous system

Which organ is matched with the correct body system?

brain and nervous system

lungs and circulatory system

skull and respiratory system

heart and digestive system

In which structure of the plant does gas exchange occur most frequently?

flowers

tap roots

leaves

stems

The diagram shows an experimental setup and its results after two weeks.

Which tropism is this experiment designed to test?

thigmotropism (touch)

chronotropism (heart beat)

phototropism (light)

gravitropism (gravity)

What is one reason that some plants have a strong scent?

to take in nutrients from the soil

to shed extra water off the plant

to conserve water during dry periods

to attract animals to spread its pollen

What is one possible reason for seeds to have hooks or barbs?

to stay warm during the winter

to stick to animals and steal nutrients from them

to stick to passing animals and get carried away

to protect themselves from sunlight

A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.

thick, waxy, spike covered leaves

ability to attach to and grow upwards on taller trees

shallow root system near the surface

extremely long root system

Which property of an animal’s mouth most strongly indicates whether the animal is a carnivore or a herbivore?

the chemical composition of the teeth

the symmetry of the teeth and other mouthparts

the shape of teeth, such as sharp or flat tops

the size of the mouth

The small intestine is named small because it is relatively narrow and not because of its length. In fact, in mammals, the small intestine is the longest organ of the digestive tract. The small intestine has many coils or loops that allow it to pack into the abdominal cavity.
The table compares a typical body length and small intestine length for several animals, including humans.

Which conclusion is most strongly supported by the data in the table?

Only plant matter, and not meat, is digested in the small intestine.

The width of a mammal’s small intestine can be estimated from the ratio of its body length to small intestine length.

The length of a mammal’s small intestine can be estimated from its body length.

The digestion of plant matter requires a longer small intestine than the digestion of meat.

The diagram shows the structure of an amniotic egg, which is laid by reptiles, birds, and a few mammals.

The development and use of the amniotic egg in these species provided an important evolutionary advantage, for which reason?

It allowed a female to reproduce without a contribution from the male.

It allowed reproduction to occur away from a body of water.

It allowed for a greater number of eggs than fish or amphibians could lay.

It allowed for offspring to develop from an embryo.

Nala is explaining how the development of adaptations by natural selection depends on sexual reproduction. Which statement is most useful for Nala to include in her explanation?

Sexual reproduction allows natural selection to occur by maintaining or increasing the genetic diversity within a population.

Sexual reproduction produces large numbers of genetically identical offspring, which increases the rate that natural selection occurs.

Sexual reproduction allows natural selection to occur by removing traits that are poorly adapted to the environment, which decreases genetic diversity.

Sexual reproduction produces large numbers of offspring that are identical to either parent, which increases the rate that natural selection occurs.

Under normal circumstances, the circulatory system and the respiratory system work together to bring oxygen to cells and to remove carbon dioxide from the body. What would happen to these systems if the interface between them was deactivated, removing their ability to work together?

Each system would continue to function with increased efficiency.

One system would take over the function of the other, but overall efficiency would decrease.

Both systems would quickly cease to function, and death would quickly occur.

Each system would continue to function, but less effectively.

Organ systems of the human body include the circulatory, respiratory, digestive, nervous, muscular, and skeletal systems, along with several others. What best describes the relationships among these systems?

Each system generally depends on the functions of a few other systems, but sometimes functions independently.

Each system depends on the functions of the other systems, and could never function independently.

Each system depends on the function of one or two other systems at the most.

Each system functions independently of the other systems.

Which two body systems work together to help a person move?

skeletal system and muscular system

nervous system and digestive system

circulatory system and excretory system

circulatory system and respiratory system

Which statement best describes the function of the nervous system in the human body?

It processes food in the body

It controls all actions in the body.

It transports nutrients in the body

It exchanges gases in the body.

Which diagram represents the human body system responsible for breathing?

The table lists the functions of some body systems. Which body systems are responsible for the functions listed?

1: circulatory system; 2: digestive system; 3: respiratory system

1: skeletal system; 2: circulatory system; 3: digestive system

1: digestive system; 2: muscular system; 3: nervous system

1: skeletal system; 2: circulatory system; 3: nervous system

Which organ is matched with the correct body system?

brain and nervous system

lungs and circulatory system

skull and respiratory system

heart and digestive system

Plants, Animals, and Humans Test

Plants, Animals, and Humans Test

In which structure of the plant does gas exchange occur most frequently?

The diagram shows an experimental setup and its results after two weeks.Which tropism is this experiment designed to test?

What is one reason that some plants have a strong scent?

What is one possible reason for seeds to have hooks or barbs?

A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.

Which property of an animal’s mouth most strongly indicates whether the animal is a carnivore or a herbivore?

The diagram shows the structure of an amniotic egg, which is laid by reptiles, birds, and a few mammals.The development and use of the amniotic egg in these species provided an important evolutionary advantage, for which reason?

Nala is explaining how the development of adaptations by natural selection depends on sexual reproduction. Which statement is most useful for Nala to include in her explanation?

Under normal circumstances, the circulatory system and the respiratory system work together to bring oxygen to cells and to remove carbon dioxide from the body. What would happen to these systems if the interface between them was deactivated, removing their ability to work together?

Organ systems of the human body include the circulatory, respiratory, digestive, nervous, muscular, and skeletal systems, along with several others. What best describes the relationships among these systems?

Which two body systems work together to help a person move?

Which statement best describes the function of the nervous system in the human body?

Which diagram represents the human body system responsible for breathing?

The table lists the functions of some body systems. Which body systems are responsible for the functions listed?

Which organ is matched with the correct body system?

The diagram shows an experimental setup and its results after two weeks.

Which tropism is this experiment designed to test?

The diagram shows the structure of an amniotic egg, which is laid by reptiles, birds, and a few mammals.

The development and use of the amniotic egg in these species provided an important evolutionary advantage, for which reason?