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Worksheets9 weeks Test David Nold
Total questions: 28
Worksheet time: 56mins
What is the definition of purebred?
When there are two of the same versions if a trait "RR or rr."
Taproot.
What does adaptation mean?
A genetic mutation
A change in an organism or its parts that fits it better for the conditions of its environment
What does the word Hybrid mean?
When there is one dominant and one recessive version of a trait "Rr"
When there are two of the same versions of a trait RR or rr
What is selective breeding?
The process of selecting a few organisms with desired traits to serve as parents of offspring
The passing of genetic traits from parents to offspring
What does pollination mean?
When a seed is first planted
When pollen gets from the stamen of the plant to the pistil
When a bee lands on a flower
What does Heredity mean?
The passing of traits from parents to offspring
First cell of a new organism
The union of a male and female sex cells to form a zygote
What is mitosis.
The process where a cell divides and make a copy of itself.
The process sex cells which have half the number of chromosomes as the other cells of the body.
What is meiosis?
The process sex cells which have half the number of chromosomes as the other cells of the body.
When cell divides into two identical cells.
Several roots spreading outward like the branches of a tree.
What is the definition of sexual reproduction?
Production of offspring by two parents.
Production of offspring by one parent.
The male part of the flower.
What is asexual reproduction?
Production of offspring by two parents.
Production of offspring by one parent.
When a cell divides into two identical cells.
What does fertilization mean?
The union of male and female sex cells to form a zygote.
The first cell of a new organism.
What is a dominant trait?
A version of a trait that masks the effects of another version.
A version of a trait that is always hidden if the dominant version is present.
What is a zygote?
When a cell divides into two identical cells.
The first cell of a new organism.
Female part of a flower.
What is a recessive trait?
A version of a trait that is always hidden if the dominant version of the trait is present.
The version of a trait that masks the effects of another version.
What is the pistil?
First cell of a new organism.
Female part of the flower.
What is binary Fission?
When a cell divides into two identical cells.
When there is one dominant and one recessive version of a trait "Rr."
What is fragmentation
When an organism forms a growth that eventually breaks off for an identical organism.
When an organism splits into pieces and each piece can develop into a identical organism.
One large main root.
What determine the characteristics of an offspring?
A Gene.
The Xylem.
The phloem.
What is the Xylem?
Tissue that carries water and minerals from the roots up the plant.
Tissue that carries (glucose) from the leaves throughout the plant.
The male part of the flower.
What is shared dominance
Microscopic openings which allow moisture and gases to pass in and out of the leaf.
When there is now version of a trait, the recessive versions will share dominance.
Where pollen is found.
The male part of the flower.
Stamen
Pistil
Stomata
What is pollen.
Where male sex cells of the flowering plant are found.
The male part of the flower.
Microscopic openings.
What does Budding mean?
something a plant does for fun.
When an organism forms a growth that eventually breaks off to form and identical organism.
When the flower opens up.
When an animal hits puberty.
What are Fibrous roots
Several roots spreading outward like the branches of trees.
One large main root, with smaller roots branching of off of it.
Tissues that carry hing from parts of the body.
Tissues that carry glucose.
What is the Phloem
A tissue that carries water and minerals from the roots up the plant
Tissue that carries glucose from the leaves throughout the plant.
What is a taproot?
Several roots spreading out.
One large main root, with smaller roots branching off of it.
Tissue that carries water and minerals throughout the plant.
The male part of a flower.
Microscopic openings which allow moisture and gases to pass in and out of the plant are part of the ________?
Stomata
Taproot
Phloem
Xylem
What is Vegetative Propagation?
A way for plants to reproduce asexually.
A way for plants to reproduce with seeds.
A way for plants to reproduce without seeds.
A way for plants to reproduce sexually.
