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By Karan, Cleavland, Johaan and
Subhro
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These questions are not in order. We apologize
for not being organized. :(
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Asexual reproduction, has
only one parent and
offspring and the offspring
and parent look identical.
The four types:
Binary Fission- Bacteria
Budding- Coral
Spore production- Fungi/
Ferns
Vegetative reproductionStrawberries
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Binary Fission: This happens in only single celled
organisms. The cell splits creating two identical
cells.
Budding: Parent organism produces a bud which
detaches and becomes a sufficient individual
Spore production: Are produced by the division of
cells in a parent. Each spore looks identical to the
parent.
Vegetative reproduction: Is the reproduction
process of plants, not involving seeds.
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Continuous Variations: When there are many
variations in characteristics
Examples: Shoe size, weight, and height
Discrete Variation: Is an either/or
characteristic. Characteristic is a defined form
its “either” this form “or” that form
Examples: Albino, being able to roll your
tongue.
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Usually involves
two individual
organisms. The
offspring will
have mixed
characteristics,
half from one
parent and half
from the other
parent.
Hmm..
Interesting..
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Gametes are the reproductive cells that join
with other gametes during reproduction.
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For males the cell is known as sperm cells for
Females the cell is known as egg cells
When these combine they form a fertilization
combination of cells known as Zygote.
The Zygote divides and continues into the
making of the embryo. The embryo then turns
into a multi celled organism inside the female.
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Sexual reproduction
also involves gametes
that turn into Zygotes
and the zygotes that
form embryos
Pollen (male gamete)
moves from the
anther to the stigma
and down to the
ovule (female
gamete). Both of these
gametes produce the
zygote which turns
into a embryo. The
embryo develops
inside a seed, which
protects the embryo.
Umm.. Hello
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Cross pollination occurs when pollen from one
plant combines with the ovule of another plant.
The resulting plant is not identical to either
parents (plants)
If some plants self pollinate then the pollen can
combine with their ovule and result in a plant
that looks identical to its parent (plant).
Artificial pollen. Plants are pollinated by man.
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Advantage: Can reproduce very fast which is
an advantage in an environment that doesn’t
change much.
Disadvantage: All the individual organisms are
the same and if the environment changes they
will all die. 
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There are many: Sponges and yeasts can both
reproduce sexually and asexually.
I’m ready!
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Niches can change in the lifetime of a species.
Niches may change due the environment in
which it lives as well as the organisms a species
interrelates with.
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resource partitioning is when two or more
species need the same resource, so they split
the resource into parts to share the resource. In
the Africa the zebras eat the grass, stags eat
lower leaves of trees and giraffes eat the top of
the tree thus sharing that area/resource
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healthy ecosystems have lots of variety among
species and among communities.
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natural selection is when the environment selects
individuals to survive and reproduce and pass on
its characteristics. When creatures reproduce they
pass on their characteristics thus there is a variety
of animals in a species.
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variation in species are either genetic or
behavioural, this variation will allow an
individual in a species to survive while others
die.
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heritable traits are passed on from generation
to generation, while non-heritable traits are
learned traits.an example of a heritable trait is
skin colour. An example of a non-heritable
traits are leadership skills.
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The tropical rain forests because they are the
most diverse
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Its called the Amazons of the Ocean because it's
the most diverse place in the ocean
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Its when two species depend on one another, to
carry out their own lives.
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niches can change due to change in the
environment and due to inter-species
competition. A fox is young, he can hunt, but
he grows old so now he has to scavenge for
food.
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the role an organism plays within its
community or ecosystem
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natural selection is when nature selects
individuals to survive, it relates to variation in
the environment, because the reason everyone
does not survive because of the large variation
in the same species. It’s important because it
helps carry on strong genes and destroys weak
genes.
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the environment can play a role in the
development of characteristics by placing
obstacles that require species to develop
characteristics to survive. An example would
be fish need to breathe under water so they
have gills to breathe
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Forest- Bears eat berries, they can’t digest
the seed. In their fecies the seed come out
and new berry plants grow from the seeds.
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A niche describes the organisms’ role in the
ecosystem.
• Symbiosis is relationships in nature.
• Mutualism is a relationship between two organisms, were
both organisms benefit. Ex. The sea anemones gives
protection to the hermit crab using its stinging cells and the
hermit crab lets it eats the remains of food.
• Commensalism is a relationship between two organisms,
were one organisms benefit and it does not matter to the
other. Ex. B A robin builds its nest in a tree
• Parasitism is a relationship between two organisms, one
organism is harmed and the other benefits. Ex. Tape worm
living in the human intestine. The tape worm absorbs some
of the nutrients.
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Food webs and food chains they show what
creatures in the ecosystem on what
organisms they rely for prey.
• Ecosystem diversity- there many types of
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ecosystems. Ex. marshes, forests
Community Diversity-populations of many different
species living in a community.
Species Diversity-Variation within a specific
species.
Genetic Diversity-Variation of heritable
characteristics
Species Distribution Diversity-There are more
biodiversity in the tropics then the artic.
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Biological diversity refers to a variety of species
and ecosystems on earth and the ecological
processes they are part of. Diverse living things
pass on their characteristics to future
generations by DNA. DNA is the blue print
inherited from a parent, it contains the material
that causes variation and is found in nucleus of
all cells. the
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http://prezi.com/cib_cuoz95op/unit-1biological-diversity/
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Hoped you guys liked it :)