Biodiversity/Population Genetics
All the rabbits in an area is a ______
A. Population
B. Biome
C. Community
Population
Which is the broadest (largest) taxonomic rank? Kingdom, phylum, class, order, family, genus, or species?
Kingdom
What type of cells have cell walls?
Plants
What would represent a Homozygous dominant allele
A. AA
B. Aa
C. AB
D. bb
AA
Which statement best describes the best evidence that species share a recent common ancestor?
A. The species are about the same size
B. The species eat the same type of food
C. The species live in the same ecosystem
D. The species have similar DNA sequences
The species have similar DNA sequences
Which represents a community?
A. All the grizzly bears in a forest
B. The abiotic factors in an ecosystem
C. All the interacting populations in a forest
All the interacting populations in a forest
Which is an example of a prokaryote?
A. An animal
B. A bacterium
C. A fungi
A bacterium
Golgi Apparatus
What best describes the result of a mutation in an organism's DNA?
The mutation creates a new organism
The mutation may produce a zygote
The mutation may cause a phenotypic change
The mutation may cause a phenotypic change
The theory that all living organisms share a common ancestry is supported by evidence that they all ___
A. Have similar cellular chemical processes
B. Obtain and use energy the same way
C. Have cell walls with strong membranes
Have similar cellular chemical processes
In an ecosystem the main source of all energy is ______
Sunlight
All organisms classified in kingdom Animalia must also be classified as____?
A. Protesta
B. Eukaryota
C. Eubacteria
D. Archea
Eukaryota
What structure is responsible for allowing in and out of an animal cell?
Cell Membrane
Crossing-Over most commonly results in
New Species
New populations
New combination of genes
New combination of genes
According to scientists horses and donkeys share a common ancestor. What evidence shows they are closely related?
Both are tall
Both can run fast
Both have similarities in their diet
Both share the same bone in their limbs
Both share the same bone in their limbs
______ ____ is a change in allele frequency in a population, due to a random selection of certain genes.
Genetic Drift
A certain organism has many cells, each cell contains a nucleus. If the organism makes its own food it would be classified as a/an ____?
A. Bacteria
B. Animal
C. Plant
D. Fungi
Plant
In a cell with a high energy requirement, which organelles would be found in a high concentration?
Mitochondria
Which of these is an environmental factor that causes damage to chromosomes?
Lead paint
Ultraviolet light
Acid rain
UV light
______ structures are a structure that appears very similar in form but not function. Found in different organisms. They suggest they descended from a common ancestor
Homologous
In New York, bluebirds and sparrows inhabit almost the same ecological niche. In many areas, bluebirds are being replaced by sparrows as a result of ______
Competition
Which distinguishes fungi from other eukaryotic organisms?
A. Fungi are unicellular
B. Fungi make their food through photosynthesis
C. Fungi reproduce sexually
B. Fungi obtain nutrients through absorption
Fungi obtain nutrients through absorption
A cell has a defect that results in an inability to regulate the passage of water, food, and wastes into and out of the cell. What cell structure is the defect most likely located?
A. Ribosomes
B. Golgi apparatus
C. Endoplamic roticulum
D. Cell Membrane
Cell Membrane
A rare disorder is caused by changes in a gene. Parents of individuals with the disorder have only normal copies of this gene. What is the most likely cause of the disorder?
Mitosis
Mutation
Natural selection
Gene splicing
Mutation
A paleontologist is studying a fossilized insect that may be an ancestor to modern-day honey bees. Which of the following should the paleontologist compare best determine how closely related to the fossilized organism is to modern honey bees?
Their diets
Their Predator
Their habitats
Their anatomies
Their anatomies