WorksheetsLife Science Semester 2 Exam
Total questions: 50
Worksheet time: 4hrs 10mins
Determine is the following would be Primary or Secondary succession:
Forest Fires or Floods
Primary
Secondary
Both
Determine whether or not the following is Primary or Secondary succession:
Glaciers and Volcanoes
Primary
Secondary
Both
Determine is the following would be Primary or Secondary succession:
Shrubs and small animals
Primary
Secondary
Both
Is the following environmental impact more likely to be long-term or short-term?
The environmental impact of mining includes erosion, loss of biodiversity,
contamination of soil and water.
Long-term
Short-term
Is the following environmental impact more likely to be long-term or short-term?
Due to several days of downpours the rivers have overflowed their banks causing
localized flooding.
Long-term
Short-term
Use the graph to answer questions about the tolerance of water bugs to
pollution.
If you find no insects at all in a pond or stream, what can you conclude?
Water is very clean
Water has several resources available
Water is very polluted
Which of the following is a characteristic of long-term environmental impact?
Impact last five years or less
Affects organisms immediately
Affects subsequent generations
Based on the model, which consumers would
receive the greatest amount of energy
captured by the producers in their food chains?
Beluga Whale
Polar bear and Artic hare
Ptarmigan and Artic bumblebee
Lichens and Shrubs
Which in the apex predator in this energy pyramid?
Ptarmigan
Polar Bear
Lichens
Beluga Whale
Which trophic level has the greatest amount of energy to use?
Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers
Where do most producers get their energy?
Soil
Decomposers
Sun
Garbage
10. Organisms who produce their own food are called ____________.
Heterotrophs
Herbivores
Carnivores
Autotrophs
These organisms exist within every trophic level giving nutrients back to the soil.
Producers
Decomposers
Apex predators
Autotrophs
A position that an organism occupies based on what it eats is called a ______ _______.
Trophic Level
Photosynthesis
Chemosynthesis
Heterotroph
Living or organic matter is called _________.
Autotrophs
Heterotrophs
Decomposers
Biomass
The process though which plants make their own food is called ______________.
Heterotroph
Autotroph
Producer
Photosynthesis
Organisms that eat dead organisms and returns the nutrients to the soil are called _________________.
Producers
Decomposers
Biomass
Consumer
These organisms get energy from the sun and make their own food.
Heterotroph
Biomass
Consumer
Producer
These organisms only consume meat/other organisms.
Herbivores
Insectivores
Omnivores
Carnivores
These organisms will consumer both plants and other organisms
Herbivores
Insectivores
Omnivores
Carnivores
What relationship would a frog and insects have?
Predator/Prey
Parasite/Host
Consumer/Producer
What type of symbiotic relationship would a dog and a human have?
Mutualistic
Commensalistic
Parasitic
What type of symbiotic relationship would a remora and a shark have?
Mutualistic
Commensalistic
Parasitic
What type of symbiotic relationship would a human and head lice be?
Mutualistic
Commensalistic
Parasitic
What relationship best describes a cow and a human.
consumer/consumer
consumer/producer
parasite/host
Whos is the scientist credited with the discovery of natural selection?
Charles Darwin
Isaac Newton
Robert Hooke
Why did the giraffe develop a long neck?
To avoid predators
To reach higher for available food
To have a better view
What type of animal did Darwin study?
Finches
Worms
Iguanas
Sharks are colored white on the underside and blue or gray on top. How is this trait an advantage for them?
It keeps them warmer in the cold water, as the darker coloration attacks the sun rays.
It allows them to stay camouflaged on top by looking like the water,
and on the bottom by looking like the light on the surface.
Which of the following is a characteristic of natural selection?
Causes adaptations to occur
Controlled by humans
Shows changes quickly, within 1-2 generations
______________ is the variety of life found on Earth.
Genetics
Traits
Biodiversity
Species
____________ diversity is the variation in genes within a species.
Biodiversity
Genetic
Species
Selective
______________ diversity refers to the number of species and abundance of each species in a particular location.
Genetic
Biodiversity
Species
The location with the greatest number of species is close to the equator is the _________________.
Artic
Rainforest
Savannah
Dessert
_______________ diversity refers to the ways that species interact with each other and their environment.
Genetic
Species
Ecological
The muscular system works directly with the __________ system to allow the body to move.
Skeletal
Digestive
Endocrine
Excretory
The digestive system is a group of organs working together to
Turn food into nutrients for energy and growth
Break down food into smaller peices
Add bile to the food in the stomach
Push food through the system
The circulatory system works most closely with which other system?
Respiratory
Excretory
Digestive
Nervous
Genetics is the study of _________.
Body Systems
Cell Division
Heredity
Sexual Reproduction
On a Punnett square two capital letters indicate a gene which is_________.
Homozygous dominant
Homozygous recessive
Heterozygous
Genetic variation occurs in what type of reproduction?
Asexual
Sexual
Both
These are the basic building blocks of all living things.
DNA
Cells
Genes
Chromosomes
This part acts like the brain of the cell.
DNA
Genes
Chromosomes
Nucleus
Half of these come from one parent and half come from the other parent.
Genes
DNA
Chromosomes
_______________ __________________ is known as the “father of modern genetics.
Charles Darwin
Robert Hooke
Anton van Leeuwoenhoek
Gregor Mendel
_________________ is the reverse of photosynthesis, turning sugars back into carbon dioxide.
Carbon Cycle
Respiration
Decomposition
Subduction
Carbon enters the soil through
_________________ of organic matter by
microorganisms.
Respiration
Photosynthesis
Decomposition
Chemosynthesis
Organic matter buried over millions of years form deposits of coal and oil that we call
Renewable Resources
Nonrenewable resources
Fossil Fuels
Limestone
______________ is the process where organisms turn carbon dioxide, water, and energy into sugars.
Chemosynthesis
Photosynthesis
Respiration
Which of the following natural occurrences release carbon dioxide into the atmosphere?
Volcanoes
Hot Springs
Tectonic Uplift
All of the above
