Life Science - 1
Under a microscope, the letter E appears...
What is upside down and backwards (and larger)
When two organisms are fighting for limited resource?
What is competition?
What controls everything in a cell?
What is the nucleus?
Word for all living things in an ecosystem.
What is biotic?
The balance maintained in living things to keep them alive
What is homeostasis?
What is the study of organisms and their environment called?
What is Ecology?
An organism that can make its own food.
What is an autotroph or producer?
The process by which individuals that are better suited to their environment survive and reproduce.
What is natural selection or survival of the fittest?
The powerhouse of the cell
What are mitochondria?
The type of relationship where one organism benefits and one is unaffected.
What is commensalism?
A change in your environment that you respond to
What is a stimulus?
Plants undergo this process to produce oxygen and glucose
What is photosynthesis?
What is the shape of a DNA strand called?
What is a double helix??
Number of chromosomes in each human cell
HH, LL, AA, and TT are all examples of what type of genotypes?
What are homozygous dominant genotypes?
A structure that exists within an organism but no longer serves a purpose.
What is a vestigial structure?
The process of releasing ATP energy from glucose/nutrients.
What is cellular respiration?
The process of cell division for body cells
What is mitosis?
Where photosynthesis takes place in a plant cell
What is the chloroplast?
An alteration to the genetic code
What is a mutation?
This scientist is famous for studying organisms in the Galapagos Islands and for his Theory of Evolution by Natural Selection.
Who is Charles Darwin?
Father of Genetics
Who is Gregor Mendel?
DNA stands for?
Deoxyribonucleic acid?
A characteristic that is passed from parent to offspring
What is a trait?
The smallest living part of an organism
What is a cell?
The passing of traits from parents to their offspring
What is heredity?
What are the four trophic levels called?
What are producers, primary consumers, secondary consumers, tertiary consumers
Where is least amount of energy found on the energy pyramid?
What is the top of the pyramid?
The process that scientists use to determine how old a fossil is?
What is carbon dating?
This process results in 4 daughter cells, rather than 2.
What is meiosis?
List the following from smallest to largest:
DNA, Nucleus, Chromosome, Gene
DNA -> Gene -> Chromosome -> Nucleus
The jellylike "soup" that fills most of the cell
What is cytoplasm?
4 nitrogenous bases of DNA
What are Adenine, Thymine, Guanine, and Cytosine?
The human body system that involves the heart, blood, veins, and arteries
What is the Cardiovascular system?
These organisms are responsible for getting rid of dead organisms in the food chain
What are decomposers?