What is genetic variation

The natural difference that occurs between organisms

What is fertilisation?

When the nuclues of an egg and sperm cell fuse togehter.

A sex-linked genes are genes that

determine female and male traits and characteristics

When does puberty happen?

When hormones are released from pituitary gland

American red Squirrel, The Pine Squirrel

The development of organism's that develop traits through genrations.

Which is the definition of evolution?

the change of species over time

What Are Chromosomes?

A strand of DNA that is encoded with genes

Who conceptualized evolution?

Charles Darwin, Alfred Russel Wallace

What are the parts of a plant?

Flower, stem, leaves, and roots.

ecological niche definition

role of an organism in an ecosystem

Sexual reproduction involves:?

Two parents producing non-identical offspring.

A unit of heredity which is from a parent to offspring.

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Reproduction

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Questions 50

Answers

1
X and X chromosomes are?
Both Male and Female
Male
Female
Neither
2
What is genetic variation
When your cow eats too much grass
The natural difference that occurs between organisms
The study of genes
To determine how many genes there are
3
What are genes?
Strands of Proteins
Strands of RNA
Strands of DNA
Something your body doesnt need
4
This is an example of what kind of variation?
Continuous
Discontinuous
5
What habitat is this?
ICE
HIVE
SNOW
ISLAND
6
What habitat is this?
HIVE
NEST
MUD
CAVE
7
What is fertilisation?
When the nuclues of an egg and sperm cell fuse togehter.
When an egg cell and sperm cell meet.
When a sperm cell burrows into the lining of the uterus
When an egg cell burries into the lining of the uterus.
8
What habitat is this?
Desert
Macaw
Rain Forest
Bird
9
A sex-linked genes are genes that
determine the traits of the gene only
determine the traits of the gene only
determine female and male traits and characteristics
determine the gender of the gene
10
This is an example of what type of variation?
Discontinuous
Continuous
11
When does puberty happen?
When hormones are tired
When hormones are released from pituitary gland
Age 11
Age 10
12
A Fox squirrel can be black
True
False
13
Name the Squirrel
American red Squirrel
the red tail Squirrel
red Squirrel
The Pine Squirrel
14
The habitat of the fish is the WATER
True
False
15
Genes Are....?
Found on Chromosomes
Found in Cytoplasm
Found In a Cell
It's not found in anything .
16
When does fertilisation occur?
when sperm penetrates ovum
when ovum latches onto sperm
when fallopian tube release egg
the morula implants itself
17
Female plant gametes are ...
pollen.
ovules.
eggs.
ovaries.
18
What habitat is this?
FOREST
WEB
CAVE
DESERT
19
Chromosomes are DNA molecules
True
False
20
What Is Evolution?
Organisms characteristics that change over a short time span.
The development of organism's that develop traits through genrations.
Species that have similar traits.
quick changes over short period of time
21
Which is the definition of evolution?
genetic differences in a species
the appearance of new life forms
parents passing traits to offspring
the change of species over time
22
What habitat is this?
Arctic
Iceland
North Pole
South Pole
23
What habitat is this?
DESERT
CAVE
FOREST
WEB
24
Name the squirrel
Black and White ear pointer Squirrel
Black ear pointer
Albert Squirrel
25
Chromosomes do not contain all of the genes
False
True
26
How many individual chromosomes should each human cell have?
23
42
12
46
27
female part of the flower
anther
pistil
stamen
filament
28
Stigma a part in the male reproduction system of a flower?
False
True
29
What kind of flowers are these ?
Orchids
Roses
Dandelions
Daisies
30
What Are Chromosomes?
I dont know
A strand of DNA that is encoded with genes
A part of heredity that sometimes doesn't happen
A double helix but with mutations
31
What part do bees play in flower reproduction?
fertilisation
germination
seed-dispersal
pollination
32
Gorillas are losing their habitat because...
people are cutting down trees
ice platforms are melting
people are hunting them
they are dying
33
A squirrel is prey.
False
True
34
Men grow taller during puberty
False
True
35
Who conceptualized evolution?
Charles Darwin
Alfred Russel Wallace
Theodosius Dobzhansky
Gregor Mendel
36
XX are female chromosomes
True
False
37
Habitat means
fur
food
where animals live
flowers
38
What are the parts of a plant?
Head, shoulders, knees, and toes.
Colorful and green.
Flower, stem, leaves, and roots.
Trees, leaves, and dirt.
39
Ecological niche
Roles of a species
Animal growing
40
The ultimate source of genetic variation is
differences in RNA sequences
Differences in DNA sequences
Evolution
Alleles
41
All plants have flowers.
True
False
42
ecological niche definition
organisms that don't have a role
role of an organism within narrow parameters
role of an organism in an ecosystem
role of an organism within wide parameters
43
What habitat is this?
ISLAND
SNOW
HIVE
ICE
44
the male part of the flower
sepal
pistil
stamen
ovary
45
What hormone do boys get lots of during puberty?
Toblerone
Tiddlers
Testosterone
Terrapindos
46
What is a habitat?
The area where something lives
A place to live
An adventure
47
What habitat is this?
UNDERGROUND
WETLANDS
FOREST
GRASSLANDS
48
Sexual reproduction involves:?
One parent producing non-identical offspring.
Two parents producing identical offspring.
Two parents producing non-identical offspring.
One parent producing identical offspring.
49
What Are Genes?
A unit of heredity which is from a parent to offspring.
Genes? More like Jeans!
Genes are a lie. We don't have any traits from our parents.
When you don't get traits from your parents.
50
Which of the following is NOT an example of continuous variation?
Eye colour
Weight
Length of shell
Height

Reproduction Flashcards | StudBud