Study island 8th grade-living system

Vacuoles are cellular organelles that are found in all plant and fungal cells. In plant cells, vacuoles tend to store large amounts of water, so they can push outward on cell walls and help keep plants upright. In fungal cells, vacuoles often store materials that are toxic to the cell. According to the above information, how do vacuoles help fungal cells maintain homeostasis?

by allowing the cells to get rid of waste

In which cell organelle does photosynthesis take place?

chloroplasts

The muscles of the body are part of the musculoskeletal system but would not operate without the _______ system providing the impulses that cause the muscles to act.

nervous

The nose is an organ that acts as an airway for oxygen to enter the body. The nose also contains hairs that trap small foreign objects and stop them from entering the body. Which two systems does the nose play a role in?

respiratory and immune

The diagram below shows the lungs, which are the main organs in the respiratory system. What is the main function of the respiratory system?

to exchange oxygen and carbon dioxide gases within the body

If an animal's internal system determines that there is too much water inside it, how will it likely respond to maintain homeostasis?

It will expel the excess water as urine.

The table below lists information about different types of bacteria. Type of Bacteria Attributes Bordetella pertussis causes whooping cough and symptoms of nausea, severe coughing, and fever Lactobacillus found in the human intestines; helps to process dairy products Ruminococcus found in the intestines of plant-eating animals; helps digest grasses and grains Streptococcus pyogenes causes strep throat, skin infections, soft tissue infections, and pneumonia Vibrio cholorae causes cholera and symptoms of diarrhea, abdominal cramps, severe dehydration, low blood pressure, and nausea Which of the following statements is true based on information found in the table above?

Some bacteria cause diseases, but some bacteria are beneficial.

Amelia is running a marathon. How do her muscular and skeletal systems work together to allow her to run?

The muscles in her leg relax and contract to move the bones.

What is the function of the cytoplasm?

all of those

The muscular system and the skeletal system of the human body work together to

allow movement.

The nucleus of the cell is responsible for

controlling the activities of the cell.

The tendency of a cell or an organism to maintain a stable internal environment is known as _______.

homeostasis

Which of the following types of organelle is most important in providing a cell with energy?

mitochondria

Fleas, mosquitoes, and ticks can all cause diseases. Fleas, for example, are known to transmit bubonic plague and typhus. Mosquitoes are known to transmit malaria and West Nile virus, and ticks are known to transmit Lyme disease and Rocky Mountain spotted fever. What type of infectious agent includes fleas, mosquitoes, and ticks?

parasite

Homeostasis is defined as

the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.