Red
Anton van Leeuwenhoek improved the ____________________.
Anton van Leeuwenoek discovered _______________ using his improved microscope.
bacteria
The smallest units of life are called ___________.
cells
Organs are made up of ________________.
tissue
Chewing is what kind of digestion?
mechanical digestion
Eliminating waste is an example of...
homeostasis
cell division
organization
use of energy
homeostasis
The part of a eukaryotic cell that directs cell activities and contains important cellular information stored in DNA.
a. nucleus
b. lysosomes
c. nucleolus
d. cytoplasm
a. nucleus
The heart is part of the ______________ system.
a. digestive
b. muscular
c. circulatory
d. nervous
c. circulatory
The part of a plant that sends glucose to cells that break down the sugar and release energy.
the phloem
The __________________ system works together with the skeletal system to help you move.
a. muscular
b. digestive
c. nervous
a. muscular
The brain and nerves are part of the _______________ system.
a. skeletal
b. nervous
c. muscular
d. circulatory
b. nervous
The first cells can become any type of cell through the process of ________________.
a. cell transportation
b. cell division
c. cell differentiation
d. cell transformation
c. cell differentiation
In eukaryotes, the ______________ are important organelles for cellular respiration, and the ________________ are organelles that use light energy and make food.
a. Golgi Apparatus, mitochondria
b. mitochondria, chloroplasts
c. ribosomes, cell wall
d. cell membranes, nucleus
b. mitochondria, chloroplasts
Water travels up the roots and is transported throughout the plant by the________.
xylem
Which statement is true?
a. Cells come in different shapes, but are all about the same size—very, very small.
b. Cells come in different shapes and sizes.
c. Cells all have the same shape, but come in different sizes.
d. Cells are all the same shape and size—small and rounded.
b. Cells come in different shapes and sizes.
Joints and ligaments are part of the ___________________ system.
a. muscular
b. skeletal
c. nervous
d. digestive
b. skeletal
What is the difference between a cell wall and a cell membrane?
a. The cell membrane is just outside the cell wall and is strong and rigid.
b. The cell wall is just outside the cell membrane and is more flexible.
c. The cell wall is just outside the cell membrane and is strong and rigid.
d. The cell membrane is just outside the cell wall and is more flexible.
c. The cell wall is just outside the cell membrane and is strong and rigid.
Blood is transported by the heart in the __________________ system.
a. muscular
b. circulatory
c. nervous
d. immune
b. circulatory
Which of the following can cells get energy and nutrients from?
a)molecules of protein
b) bread
c) water
d) vegetables
a) molecules of protein
Mr. Griffin ran the Turkey Trot and is out of breath. Which body system allows him to breathe hard while he runs?
The respiratory system
What are organelles?
structures inside the cell lining that have specialized functions
A toddler sees a candle and touches the flame. He quickly pulls his hand back as he feels pain. Which system is responsible in helping him feel pain?
The nervous system
Complete the following:
Cells ------> ______1____ ------> ______2____ ------> ______3____ _________ --------> _____4______
Cells ------> 1. Tissue ------> 2. Organs ------> 3. Organ Systems --------> 4.Organism
What are the functions of the digestive system? (more than one)
To obtain energy and remove waste