Q: What is the rigid layer that is found outside the cell membrane and surrounds the cell? Read this paragraph and choose the correct option from the provided answers: A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides as well. In fact, two other classes of polysaccharides, hemicelluloses and pectic polysaccharides, can comprise 30% of the dry mass of the cell wall. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell. The cell wall also prevents the plant cell from bursting when water enters the cell. Choices: - cell barrier - cell shield - cell root - cell wall A:
cell wall

Q: What type of reproduction begins when an egg and sperm combine? Read this paragraph and choose the correct option from the provided answers: 18.1 How Animals Reproduce Reproduction may be asexual when one individual produces genetically identical offspring, or sexual when the genetic material from two individuals is combined to produce genetically diverse offspring. Asexual reproduction in animals occurs through fission, budding, fragmentation, and parthenogenesis. Sexual reproduction may involve fertilization inside the body or in the external environment. A species may have separate sexes or combined sexes; when the sexes are combined they may be expressed at different times in the life cycle. The sex of an individual may be determined by various chromosomal systems or environmental factors such as temperature. Sexual reproduction starts with the combination of a sperm and an egg in a process called fertilization. This can occur either outside the bodies or inside the female. The method of fertilization varies among animals. Some species release the egg and sperm into the environment, some species retain the egg and receive the sperm into the female body and then expel the developing embryo covered with shell, while still other species retain the developing offspring throughout the gestation period. Choices: - natural reproduction - regular reproduction - asexual reproduction - sexual reproduction A:
sexual reproduction

Q: Q: What will happen to sea levels due to increased global temperatures? Read this paragraph and choose the correct option from the provided answers: This increase in global temperature will cause the sea level to rise. It is also expected to produce an increase in extreme weather events and change the amount of precipitation. Global warming may also cause food shortages and species extinction. Choices: - Drop - reverse - surge - rise A:
A: rise

Question: Q: What system carries messages from sense organs and internal organs to the central nervous system? Read this paragraph and choose the correct option from the provided answers: The sensory division of the peripheral nervous system carries messages from sense organs and internal organs to the central nervous system. For example, it carries messages about images from the eyes to the brain. Once the messages reach the brain, the brain interprets the information. Choices: - sensitive nervous system - respiratory system - auxiliary nervous system - peripheral nervous system A:
Answer: peripheral nervous system

*Question*
Q: Hair is a component of which bodily system? Read this paragraph and choose the correct option from the provided answers: Well maybe not yours. But some other person's. Hair is an integral part of the integumentary system. And although many people may lose some or all of the hair on top of their head, they still have hair on their arms and legs that perform important functions. Choices: - circulatory - relatable system - trypeta system - integumentary system A:
**Answer**
integumentary system

*Question*
Q: Where is the site of photosynthesis? Read this paragraph and choose the correct option from the provided answers: The chloroplast is the site of photosynthesis. Part of the photosynthesis reactions occur in an internal membrane within the organelle. Many of the pigments and other molecules necessary for photosynthesis are embedded within these internal membranes, The chloroplast contains many of these internal membranes, allowing numerous photosynthetic reactions to occur simultaneously, and making photosynthesis very efficient. These internal membranes stack on top of each other, just like a stack of pancakes. Choices: - another chloroplast - the chloroburst - the organism - the chloroplast A:
**Answer**
the chloroplast