Continuity and Unity of Life

Continuity and

the Unity of Life

By Mrs. Mickavicz

Topic 5:

Cell Division

Multiple Choice

The process of mitosis results in...

• four 1N cells

• four 2N cells

• two 1N cells

• two 2N cells

Multiple Choice

In mitosis, sister chromatids move towards opposite ends of the cell during which phase?

• telophase

• prophase

• metaphase

• anaphase

Multiple Choice

What is the difference between plant and animal mitosis?

• plants use centrioles; animals use a cell wall to split the cell contents

• plant cells have a cell plate; animals have a cleavage furrow

• animals reduce their chromosome number; plant cells do not

• plants do not go through telophase

Multiple Choice

Meiosis results in the production of...

• 2 haploid cells

• 2 diploid cells

• 4 haploid cells

• 4 diploid cells

Multiple Choice

The failure of chromosomes to separate during meiosis is known as...

• nondisjunction

• independent assortment

• synapsis

• correct answer is not provided

Topic 6:

DNA and its Processes

Multiple Choice

Making an mRNA strand based on DNA is called...

• transcription

• translation

• transformation

• replication

Multiple Choice

A group of 3 nucleotides read by a ribosome is referred to as a(n)...

• transfer RNA molecule

• codon

• enzyme

• isomer

Multiple Choice

AATTGC --> ATTGC would be which type of mutation?

• deletion

• translocation

• substitution

• insertion

Multiple Choice

What are the rules for base pairs?

• A with G

• A with T

• A with C

• G with U

Topic 7:

Genetics

Multiple Choice

The allele that can be masked is called...

• homozygous

• codominant

• recessive

• heterozygous

Multiple Choice

The genotype AA or bb would be referred to as ____, while Aa or Bb would be ____.

• recessive; dominant

• dominant; recessive

• heterozygous; homozygous

• homozygous; heterozygous

Multiple Choice

The physical appearance of an organism that results from its genetic makeup is know as its...

• genotype

• phenotype

• mitochondrial effect

• allele

Multiple Choice

When setting up a Punnett Square, what information goes on the outside?

• the offspring alleles

• the parent alleles

• the diploid chromosomes

• somatic cells

Topic 8:

Evolution

Multiple Choice

Remains of organisms that are preserved and can show evolutionary relationships are known as...

• disruptive selection

• fossils

• missing links

• stabilization

Multiple Choice

The arm bone of a cat, a bat, and a human would be an example of...

• coevolutionary structures

• vestigial structures

• analogous structures

• homologous structures

Multiple Choice

A variation that allows an organism to better survive in its environment is know as a(n)...

• variation

• reductive trait

• adaptation

• gradualism

Multiple Choice

The theory of evolution is driven by the process of....

• natural selection

• artificial selection

• stabilizing effect

• disruptive selection

Multiple Choice

Fish produce thousands of eggs every year. What part of Darwin's theory would this be?

• overproduction

• competition

• survival

• variation

Multiple Choice

An earthquake divides two pieces of land. What type of isolation would this be?

• genetic isolation

• behavioral isolation

• temporal isolation

• geographical isolation

Topic 9:

Ecology

Multiple Choice

Where would a producer be found on the food chain?

• the top

• the bottom

• the middle

• they would not be found on one

Multiple Choice

With an energy pyramid, how does the energy change as you go up the pyramid?

• it decreases by 90% each level

• it decreases by different amounts at each level

• it increases by 90% at each level

• it increases by different amounts at each level

Multiple Choice

Which of the following would NOT be an abiotic factor?

• amount of sunlight

• soil bacteria

• wind

• temperature

Multiple Choice

A fox chases, attacks, and kills a rabbit. What type of relationship would this be?

• competition

• predation

• symbiosis

• parasitism

Multiple Choice

A species that belongs to an ecosystem is called ____, while a species that does not belong to an ecosystem is called ____.

• threatened; endangered

• endangered; endemic

• endemic; non-native

• non-native; endemic

Multiple Choice

A forest burns down after a lightning storm. The slow, gradual process of replacing the forest with different types of plants would be called...

• evolution

• succession

• development

• tragedy

You have now

completed the

Biology Keystone

Module B Review!