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WorksheetsBiology Spring Review Part 1
Total questions: 61
Worksheet time: 1hrs 13mins
where do red blood cells start developing?
muscle
lungs
bone marrow
bones
where do red blood cells take oxygen?
heart
lungs
kidney
liver
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
Another term for Natural Selection is:
Breeding
Commensulism
Communism
Survival of the fittest
Two organisms that are so similar they can interbreed in nature and produce fertile offspring.
biotic factor
herbivore
ecosystem
species
Why do viruses have projections on the outside?
To send signals to other viruses.
To maintain their structure.
To attach to the host cell.
To reproduce.
What type of evidence is shown in the image above?
Fossils
Vestigial structures
Homologous Structures
DNA
Two nucleotide sequences found in two different species are almost exactly the same. This suggests that these species —
are gradually undergoing genetic changes to merge into one species.
have arisen from a common ancestry.
are identical twins.
have the same mother.
Which is Heterozygous?
Tt
BB
ff
Dominant
What goes in box 3
Aabb
AABB
AAbb
aaBb
Use the FOIL (first, outer, inner, last) method to find the gametes available from this parent.
AB, AB, aB, aB
Ab, AB, Ab, ab
Ab, Ab, Ab, Ab
AB, aB, ab, aB
What is the genotype ratio for the following cross?
Nn X NN
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
The ratio of homozygous dominant to heterozygous
to homozygous recessive offspring
Genotypic Ratio
Phenotypic Ratio
Monohybrid Cross
Homologous Pair
The ratio of phenotypes in a Punnett Square
Phenotypic Ratio
Genotypic Ratio
Dihybrid Cross
Independent Assortment
What is the ratio of the cross?
