NEW
Font size
S
M
L
XL
WorksheetsBiology Review
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
The evolution of dogs from wolves is due to:
a)
Natural Selection
b)
Sexual Selection
c)
Artificial Selection
d)
Vestigial Structures
2.
A species of organsism has survived in a mild environment for thousands of years. Suddenly, the climate becomes much colder.
Which of the following traits might help the species survive?
Which of the following traits might help the species survive?
a)
Thick fur
b)
Large Limbs
c)
Thin fur
d)
Hightenes Senses
3.
The first part of the explanation of the Theory of Evolution states that every organisms shows
a)
The same traits
b)
Colors
c)
Variation
d)
None of these are correct
4.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
5.
The diagram illustrates an embryonic stage of two organisms.
Which of the following can be determined by observing the embryos shown in the diagram
Which of the following can be determined by observing the embryos shown in the diagram
a)
The organisms share a common ancestry.
b)
The organisms belong to the same genus.
c)
The organisms are native to the same geographic areas.
d)
The organisms will grow into anatomically similar adults.
6.
Which of the following pieces of evolution evidence contain both homologous and vestigial structures?
a)
fossil record
b)
comparing embryology
c)
comparing biochemistry
d)
comparing anatomy
7.
The forelimbs of penguin, alligator, bat, human are which of the following?
a)
homologous structures
b)
vestigial structures
8.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
9.
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
10.
How would you describe this evolution?
a)
Homologous structure
b)
Analogous structure
c)
Structural adaption
d)
Functional adaption
11.
Which three animals are most distantly related?
a)
The elephant, Manatee, and Yellow Frog
b)
The Yellow Frog, Salamander, and Bird
c)
The Lungfish, Crocodile, and Bird
d)
The Elephant, Lungfish, and Crocodile
12.
How many animals have an amniotic egg?
a)
2
b)
3
c)
4
d)
5
13.
This organelle is in all eukaryotic cells. It is the control center of the cell because it holds the DNA.
a)
Mitochondria
b)
Nucleus
c)
Chloroplasts
d)
Ribosomes
14.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
15.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
16.
The cells produced via meiosis are called:
a)
gametes
b)
somatic cells
c)
body cells
d)
skin cells
17.
Which best describes the process shown?
a)
mutation in which the DNA content of the gene is ltered
b)
segregation of sister chromatids
c)
condensation and segregation of the alleles
d)
crossing-over
18.
If there are 20 chromosomes in the egg cells, how many chromosomes would be found in the sperm cells of the same species?
a)
10
b)
20
c)
40
d)
80
19.
What chromosomal abnormality causes Down's Syndrome?
a)
Trisomy 47
b)
Trisomy 46
c)
Trisomy 21
d)
Trisomy 23
20.
What type of inheritance do two alleles have if their traits blend together?
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
21.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
Reset
