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Classification of Organisms
Cell parts
Genetics
The Human Body
Evolution
100
dichotomous key
What is the tool scientist use to identify living things?
100
What is the thin flexible boundary surrounding the cell?
cell membrane
100
What is a double stranded structure of a molecule found in the chromosomes of cells which carry the information necessary to duplicate the organism?
DNA
100
The skin is a major organ in which system?
integumentary system
100
______________________________contains many different kinds of fossils.
sedimentary rock
200
What is variation among living organisms?
biodiversity
200
What do plant cells have that animal cells do not?
Cell wall or chloroplast
200
What is the tool used to express the possible outcomes of a trait?
Punnett square
200
The lungs, trachea, and the nose make up which system?
respiratory system
200
What is the study of an organism’s early development called?
embryology
300
What is one celled organisms with no nucleus?
prokaryotes
300
What is the part of the cell that contains DNA?
the nucleus
300
If an individual inherits one dominant allele and one recessive allele, the genotype is homozygous or heterozygous?
heterozygous
300
In the nervous system, __________________ is the bundle of nerve cells that are responsible for carrying information from one place to another.
neurons
300
Which model of evolution shows change over a relatively short period of time?
punctuated equilibrium
400
Who is a Swedish botanist that devised the current system for classifying organisms?
Carl Linnaeus
400
What is the jelly-like substance in the cell around the nucleus and organelles?
cytoplasm
400
What is the situation called where one trait is not completely dominant over the other? (for example skin color)
incomplete dominance
400
What two systems work together to allow the human body to move?
skeletal and muscular
400
What do the appendix and wisdom teeth of adult humans have in common with the wings of an ostrich?
they are vestigial structures
500
What is a two-part name that identifies the genus and species?
scientific name
500
What is the rod shaped double membranous structures where cellular respiration takes place?
mitochondria
500
A scientist crossed a purebred long-winged male fruit fly with a purebred short-winged fruit fly. Long wings are dominant over short wings. What is the probability that the offspring will have long wings?
100%
500
What is the special, flat muscle that runs across the body cavity, that contracts each time you breath? (no it's not your ribs moving)
diaphragm
500
A population of mosquitoes is sprayed with a new insecticide. Most of the mosquitoes are killed but a few survive. In the next generation, the spraying continues, but still more mosquitoes hatch that are unaffected by the insecticide. What best explains these results?
The insecticide caused the mosquitoes to develop an immune response that was inherited.