Show:
The Cell
Evolution
Ecosystem
Chemistry
Genetics
100
What is the brain of the cell?
the nucleus
100
Who first studied evolution?
Charles Darwin
100
Name an abiotic factor of an environment.
soil, water, air, temperature, light etc
100
What are the three subatomic particles of an atom?
proton, neutron, electron
100
DNA stands for
deoxyribonucleic acid
200
What is the "powerhouse" of the cell that provides energy?
mitochondria
200
What is the mechanism for evolution?
natural selection
200
Who always comes first in a good chain?
producer/autotroph
200
Two of the same atoms with different numbers of neutrons (ex: carbon 12, carbon 13, and carbon 14)
isotope
200
Give a difference between DNA and RNA
RNA is single stranded RNA has ribose
300
Which invention helped scientists like Hooke and Schwann see cells?
telescope
300
Populations can evolve but single organisms cannot. True or False?
true
300
An organism that eats both plants and animals is called
omnivore
300
A bond formed between a metal and a nonmetal
ionic bond
300
What are the three types of RNA?
mRNA, tRNA, rRNA
400
List a difference between a plant cell and an animal cell
cell wall large vacuole chloroplasts
400
Bat wings, a bear's arm, and a humans forearm is an example of (homologous/analogous) structures.
homologous
400
___________ break down dead organisms and return nutrients back to the ecosystem
decomposer
400
Water is _________, meaning it has a positive end and a negative end
polar
400
An organisms outward appearance is known as its (genotype/phenotype)
phenotype
500
What does a eukaryotic cell have that a prokaryotic cell does not have?
nucleus
500
Darwin's finches' beaks changed over time to eat different foods. This is an example of (divergent/convergent) evolution.
divergent (adaptive radiation)
500
This biome is characterized by being very dry and having a layer of permanently frozen soil.
tundra
500
Explain why the ocean is still warm in November.
water has high specific heat
500
A DNA sequence is TAA CGG. What is the resulting mRNA sequence?
AUU GCC