2022 Quater 2 Test Review

Which term describes the type of digestion that results from chewing and crushing food into smaller pieces?

• absorption

• peeristalsis

• chemical digestion

• mechanical (physical) digestion

What is homeostasis?

• the response of an organism to a stimulus

• changes in a species over time

• the balance in an organism’s internal environment

• the ability of an organism to reproduce

Tags

NGSS.HS-LS1-3

As a frog develops from a tadpole to an adult frog, it goes through changes that are signaled by hormones within its body. For example, its tail disappears and it grows legs. Which best describes the role of hormones in changing a tadpole into a frog?

• The hormones are external stimuli.

• The hormones are threatening stimuli.

• The hormones are internal stimuli.

• The hormones blocks tadpole responses. 

Which word best describes the response the seedlings are showing?

• taxis

• tropism

• stimulus

• hibernation

Which body system involved in sensing the environment sends messages as electrical signals in response to stimuli?

• the respiratory system

• the cardiovascular system

• the nervous system

• the endocrine system

Dina is relaxing by walking her dog on a warm, sunny afternoon. Dina feels sweaty, and she sees that her dog is panting. Which is the most likely stimulus causing these responses in both Dina and her dog? 

• hunger

• high temperature

• thirst

• light from the sun

Tags

NGSS.MS-LS1-8

Even when it is cold outside, the human body maintains an internal temperature of 37 °C. Which term describes the maintenance of a stable internal condition?

• endocytosis

• homeostasis

• mitosis

• photosynthesis

Tags

NGSS.HS-LS1-3

The pancreas produces enzymes that break down foods into smaller molecules. Which of the following best describes the function of these enzymes?

• absorption

• mehanical digestion

• peristalsis

• chemical digestion

Tags

NGSS.MS-LS1-7

Homeostasis is necessary for a cell to survive. What is the definition of homeostasis?

• the elimination of wastes

• the division of cells to form new cells

• the maintenance of a stable internal environment

• the process by which energy from the sun is used to make food

Which of these is an example of a plant responding to an internal stimulus?

• an apple on a tree ripening

• the stem of a sunflower bending toward light

• a leaf closing when a bee brushes against it

• the roots of a tree growing downward, in the direction of gravity