Which of the following is not an example of a living thing?
a. leaf
b. sun
c. ant
d. human
What is the sun
100
A living thing that feeds on dead or dying organisms is called a...?
What is a decomposer
100
What is the smallest unit of life?
What is a cell
100
What does DNA stand for?
What is deoxyribonucleic acid
100
Allele is another word for?
What is gene
200
A living thing that is able to make its own food is called a...
What is a producer
200
Consumers that feed on plants are?
What are herbivores
200
The ______ in the cell contains the DNA
What is nucleus
200
How many pairs of chromosomes do most humans have? How many total?
What are 23 pairs
46 total
200
What is a Geneticist?a
What is a scientist who studies heredity (or genes)
300
Bacteria are considered to be a living or nonliving thing?
What is a living thing
300
What is the name of the symbolic relationship in which both species benefit?
What is mutualism
300
The ability of living things to maintain internal stable conditions is called?
What is homeostasis
300
What is the shape of DNA?
What is a double helix
300
What is a clone?
What is an identical copy of an organism
400
A plant tilting toward the sun represents which of the seven processes of life?
What is movement
400
What is ecology
the study of organisms and how they interact
400
Which organic compound is the main source of energy for living things?
What are carbohydrates
400
Characteristics that an organism can pass on to an offspring is what?
What are traits
400
What is fertilization?
What is egg and sperm cells joined together to make a new cell
500
Name three of the seven processes of life
What are movement, respiration, sensitivity, nutrition, growth, reproduction, and excretion
500
What is the difference between a food chain and a food web?
Food chain: represntation of who eats whom in a habitat or community
Food web: graphical description of feeding relationships in a community (interconnected food chain)