Which two organisms contain chloroplasts and eyespots
a. amoeba and paramecium b. paramecium and volvox c. volvox and euglena d. euglena and amoeba
c. volvox and euglena
c.a euglena can make its own food, while a volvox must capture its food.
Some organisms reproductive systems require only one parent. What is the name for this type of reproduction? a. sexual reproduction b. monoproduction c. asexual reproduction d. singular production
c. asexual reproduction
Which statement describes the organization of living organisms? a. all organisms are composed of many cells, which are the basic of structure but do not perform life functions. b. all organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions. c. all organisms are composed of many cells that have basic units with unique structures and functions. d. all organism are composed of one or more cells with the same shape and purpose but are not the basic units of structure.
b. all organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
What is the main source of body water loss?
a. urine
b. feces
c. lungs
d. skin
a. urine
Which statement best describes how a multicellular organism survives? a. every cell carries out the same functions for the survival of the organism. b. the cells all have the same structures that allow the organism to survive. c. all life processes are performed by each cell for the survival of the organism. d. the cells have different functions, and together they are essential for the survival of the organism.
d. the cells have different functions, and together they are essential for the survival of the organism.
How do a volvox and an amoeba get their food? a. a volvox uses eyespots, and an amoeba uses cilia to find food. b. a volvox uses photosynthesis, and an amoeba surrounds its food. c. a volvox surrounds its food, and an amoeba uses cilia to find food. d. a volvox uses pseudopods to find food, and an amoeba uses photosynthesis.
c. a volvox surrounds its food, and an amoeba uses cilia to find food.
A group of cells that all do the same sort of work are a. cell system b. organs c. organ systems d. tissues
d. tissues
Which is a function of the respiratory system? a. to provide the body with carbon dioxide, which reacts with food to produce energy b. to provide the body with oxygen, which reacts with food to produce energy c. to provide the cells with glucose, which used as a source of energy d. to provide the cells with water, which is used as a source of energy
b. to provide the body with oxygen, which reacts with food to produce energy
In what ways are the circulatory system and the nervous system similar? a. they both perform the same function b. they both are structural systems c. they both transport systems d. they both involve the same organs
c. they both transport systems
Which is a characteristic of most single-celled organisms? a. they have a complex nervous system. b. they contain several different types of cells. c. they perform all life processes. d. they have a circulatory and a respiratory system.
c. they perform all life processes.
How do the digestive system and the circulatory system work together in the human body? a. the digestive system sends electric messages, while the circulatory system responds to the messages. b. the digestive system provides structure for the body, while the circulatory system directs the movement. c. the digestive system removes liquid toxins from the the body, while the circulatory system removes solid waste. d. the digestive system extracts nutrients from food, while the circulatory system transports those nutrients.
c. the digestive system removes liquid toxins from the the body, while the circulatory system removes solid waste.
Put the level of organization from smallest to largest. a. cells, organs, tissues, and organ systems
b. organs, tissues, cells, and organ systems
c. organ systems, organs, tissues, and cells
d. cells, tissues, organs, organ system
d. cells, tissues, organs, organ system
How are tissues and organs related? a. groups of tissues form cells, which work together to make up a single organ. b. groups of organs form cells, which work together to make up a single tissue. c. groups of tissues work together to make up a single organ. d. groups of organs work together to make up a single tissue.
c. groups of tissues work together to make up a single organ.
Which human body system are located throughout most of the body a. digestive and respiratory b. skeletal and respiratory c. nervous and circulatory d. respiratory and circulatory
c. nervous and circulatory
Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism? a. it is able to create new cells more slowly than other kinds of cells. b. it is large enough to capture the food it needs for growth c. it is so small, it can survive in almost any place. d. it has the ability to carry out all of its life functions.
d. it has the ability to carry out all of its life functions.
What is one way the respiratory system and the circulatory system work together in the human body?a. the circulatory system takes in nutrients, while the respiratory system delivers oxygen. b. the circulatory system takes in water, and the respiratory system takes in carbon dioxide. c. the respiratory system takes in nutrients, while the circulatory system delivers carbon dioxide to the cells of the body. d. the respiratory system takes in oxygen, and the circulatory system delivers the oxygen to the cells of the body.
b. the circulatory system takes in water, and the respiratory system takes in carbon dioxide.
Which best explains why muscle is considered a tissue? a. it is connected to bones. b. it can move voluntarily. c. it interacts with several organ systems. d. it is a group of cells working together.
d. it is a group of cells working together.
Which system inside the human body includes the heart, blood, arteries, and veins? a. cardiovascular b. digestive c. muscular d. respiratory
a. cardiovascular
In a living organism, what is a cell? a. a group of cells that regulates the body's responses to internal and external stimuli b. a building block of all organisms; the smallest unit that can carry on the activities of life c. a group of similare cells that perform a common function d. the shell or skin of an organism
b. a building block of all organisms; the smallest unit that can carry on the activities of life
How do a paramecium and an amoeba obtain food to live? a. a paramecium and an amoeba both use contractile vacuoles to capture food. b. a paramecium and an amoeba both make their own food through photosynthesis. c. a paramecium collects food into an oral groove, while an amoeba uses pseudopods to surround food. d. a paramecium uses pseudopods to capture food, while an amoeba uses choloroplasts to make its food.
c. a paramecium collects food into an oral groove, while an amoeba uses pseudopods to surround food.
A structure made up of two or more tissues that work together is called a(n) a. organ b. organism c. organ system d. tissue
a. organ
The xylem and phloem in a plant transports food and water. This is similar to what human body system ?
a. skeletal
b. circulatory
c. muscular
d. digestive
d. digestive
In what ways are insects and humans similar? a. both are single -celled organisms b. both are multicellular organisms c. both have cells that capture the sunlight and make food d. both have cells that carry out out life functions
b. both are multicellular organisms