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WorksheetsScience Review #2
Total questions: 90
Worksheet time: 1hrs 26mins
What is the length of the crayon?
4 in.
8 cm.
5 in.
Which experiences the least change over time?
Pioneer Species
Primary Succession
Aquatic Succession
Climax Community
What is a common characteristic among pioneer species?
roots that break apart rocks
long thick roots
exposed surface roots
soak up water quickly
What is the role of the pioneer species in Primary Succession?
To kill any remaining organisms from before the disturbance
To break down rock and rebuild soil
To provide food for large animals
To put fresh oxygen into the air
The picture shows what type of succession?
primary
secondary
tertiary
quadanary
What are examples of pioneer species in a primary succession?
Bushes and Shrubs
Oak trees
Mossess and Lichens
A rose Bush
Clown fish lives among the deadly tentacles of the sea anemone and is protected. The clown fish eats food left over by the anemone keeping the area clean and also acts as “bait”.
mutualism
commensalism
parasitism
Remora eats food left over by the shark. The shark makes no attempt to prey upon the remora.
mutualism
commensalism
parasitism
4. Braconoid wasps lay eggs on the catepillar. They hatch inside the cocoon of the catepillar and eat the developing catepillar.
mutualism
commensalism
parasitism
Fleas on a dog…
mutualism
commensalism
parasitism
Butterfly gets nectar from the flower and transfers pollen to other flowers to allow flowers to reproduce.
mutualism
commensalism
parasitism
What would happen to the bird if the green fish died out?
the bird population would grow
the bird population would die out
the smaller fish will die out
What is the bottom layer of the an energy pyramid?
producer
tertiary consumer
Secondary consumer
primary consumer
the top layer of an energy pyramid a primary consumer?
true
false
What does an energy pyramid show?
Energy flow in a community
Longest lifespans
The stronger animal the higher it is on the pyramid
All tertiary consumers are scavengers
true
false
What would happen if the primary consumers died out?
the producers would grow and the secondary and tertiary consumers would die
producers would die out
consumers would grow
decomposers are producers.
true
false
The smallest biological unit of a living organism is a
cell
compound
element
molecule
Pairs of thread-like molecules, which live in the cell's nucleus, and carries heredity information are called
chromosomes
genes
DNA
mitosis
Made of DNA this is the basic physical and functional unit of heredity.
chromosomes
genes
DNA
nucleus
Fully grown parent cells split into two halves resulting in two daughter cells with the exact DNA as the parent.
Binary Fission
Budding
Fragmentation
Vegetative Reproductions
A parent cell breaks into pieces and each piece becomes a new offspring.
Binary Fission
Budding
Fragmentation
Vegetative Reproductions
Which is not an advantage for asexual reproduction?
Less genetic variation
No need for a mate
Quick
Produces more offspring
Changes in an organism that affect its appearance, how it behaves, and its functions.
Complication
Gamete
Mutation
Zygote
Which female organ is responsible for producing the ova in sexual reproduction?
Gametes
Ovaries
Testes
Uterus
Which male organ is responsible for producing the sperm in sexual reproduction?
Gametes
Penis
Sperm Ducts
Testes
What type of asexual reproduction is taking place?
Binary Fission
Budding
Fragmentation
Regeneration
Vegetative Reproduction
What type of asexual reproduction is taking place?
Binary Fission
Budding
Fragmentation
Regeneration
Vegetative Reproduction
What type of asexual reproduction is taking place?
Binary Fission
Budding
Fragmentation
Regeneration
Vegetative Reproduction
What type of asexual reproduction is taking place?
Binary Fission
Budding
Fragmentation
Regeneration
Vegetative Reproduction
What type of asexual reproduction is taking place?
Binary Fission
Budding
Fragmentation
Regeneration
Vegetative Reproduction
Happens when a single parent cell divides into two daughter cells.
mitosis
meiosis
Happens when the parent's chromosomes are halved.
mitosis
meiosis
Short = S
Short = t
Short = T
Short = tt
In the punnett square, what is the probability for white fur?
