A ________ is a rigid layer that surrounds a plant cell, providing structural support.(1 point) Responses chloroplast chloroplast cell membrane cell membrane nucleus nucleus cell wall
11 answers
cell wall
Which of the following statements is part of the cell theory? (1 point) Responses Cells are the basic units of living things. Cells are the basic units of living things. All cells come from pre-existing cells. All cells come from pre-existing cells. All living things are made up of one or more cells. All living things are made up of one or more cells. all of these
all of these
What are the most basic building blocks of all organisms?(1 point) Responses tissue tissue organ organ blood blood cells
cells
What body systems are related to taking in nutrients and expelling them from the body?(1 point) Responses digestive and circulatory digestive and circulatory endocrine and excretory endocrine and excretory digestive and excretory digestive and excretory nervous and circulatory
digestive and excretory
Cells are the most basic unit of life. Cells are made up of many different types of molecules. Which of the following accurately shows higher levels of organization within organisms, from least complex to most complex?(1 point) Responses cells → tissues → organs → organ systems → organism cells → tissues → organs → organ systems → organism cells → organs → organ systems → tissues → organism cells → organs → organ systems → tissues → organism cells → organ systems → organs → tissues → organism cells → organ systems → organs → tissues → organism cells → organs → tissues → organ systems → organism
cells → tissues → organs → organ systems → organism
The major function of the respiratory system is to:(1 point) Responses cleanse the body of toxins, poisons, and harmful chemicals. cleanse the body of toxins, poisons, and harmful chemicals. maintain the digestive system of the body so that it can continue to operate. maintain the digestive system of the body so that it can continue to operate. give the heart the energy it needs to circulate blood. give the heart the energy it needs to circulate blood. provide oxygen to the body and eliminate carbon dioxide from the body.
provide oxygen to the body and eliminate carbon dioxide from the body.