WorksheetsMX1 G9 24-25 Reviewer
Total questions: 50
Worksheet time: 3hrs 37mins
What does the root "bio" mean...
living
nonliving
toxic
variety
What does the root "diversity" mean...
living
nonliving
toxic
variety
Define genetic diversity
a variety of genes and traits within a species
a variety of ecosystems in a given area
system made up of all the living and nonliving things in a given area
a variety of species in an ecosystem
The level of biodiversity that involves a variety of habitats is _____ diversity.
ecosystem
population
genetic
species
What are the 3 types of biodiversity (SELECT 3)
Genetic
Species
Ecosystem
Size
Biotic
The more different types of organisms and the more relationships that can occur between organisms the greater the...
Species Diversity
Genetic Diversity
Ecosystem Diversity
Greater ____________________ means there are more habitats to support different types of organisms.
Ecosystem Diversity
Species Diversity
Genetic Diversity
The greater the ____________________, the more likely a species is to survive changes to their environment
Genetic Diversity
Species Diversity
Ecosystem Diversity
Puerto Princesa Palawan is known for its beautiful places and beaches that make it more attractive to tourists. Which of the following classifications of value of biodiversity is described?
A. aesthetic value
B. direct economic value
C. indirect economic value
D. both b and c
Which of the following is a threat to biodiversity?
habitat rehabilitation
reforestration
overexploitation
tree planting
Which of the following is an autotroph?
grass
grasshopper
rat
snake
which of the following is a primary consumer?
grass
cows
lion
eagle
which of the following is a decomposer?
zebra
bacteria
rabbit
berries
Which of the following is NOT a way in which humans are destroying habitats?
Gathering rain water to use to water crops
Clearing out prairies to grow a single crop
Cutting trees to use as toilet paper
Building a shopping mall with a large parking lot
Which of the following is NOT a cause for the current decline in the biodiversity of our ecosystem?
over-exploitation of resources
planting new forests to replace trees
pollution of animal's water sources
increasing human population
What is an invasive species?
An organism that is new to an environment that has positive effects on the environment.
An organism that is native to an environment that has negative effects on the environment.
An organism that is new to an environment that has negative effects on the environment.
An organism that is native to an environment that has positive effects on the environment.
The excessive use of species that have economic value is known as
pollution
habitat destruction
over - exploitation
climate change
The threat to biodiversity that occurs when the homes of different species are destroyed
pollution
habitat destruction
over - exploitation
climate change
When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called
pollution
habitat destruction
overexploitation
climate change
The disappearance of all members of a species from Earth
Threatened species
endangered species
Extinction
Species that could become endangered in the near future are called extinct species.
True
False
Biodiversity had both ____________________ and ecological value within a system.
Mental
Economic
Physical
The sea otter is a _____________ that influences the survival of many other species in its ecosystem.
Gene
Endangered Species
Keystone Species
Organisms provide people with jobs and the things they need to live, that gives them _ value.
economic
ecological
recreational
niche
A species that is likely to become extinct if protective measures are not taken immediately is known as
threatened species
endemic species
keystone species
endangered species
What are the two types of causes of extinction?
Natural Causes of Extinction
Standard Causes of Extinction
Anthropogenic Causes of Extinction
Civil Causes of Extinction
What does "Anthropogenic" mean?
Caused by animals or plants.
Caused or resulting from the influence of human beings on nature.
Relating to or characteristic of people or human beings.
Which is NOT a way to prevent or conserve biodiversity?
Using animal-tested products.
Growing native plants.
Reducing Carbon footprint.
Educate and Spread Awareness
The National Bird of the Philippines, the Philippine Eagle is currently critically endangered.
True.
False.
True or False: Human beings are wiping out species much faster than nature creates them, causing what scientists call a "6th extinction"
true
false
Evidence of an animal or plant that lived a long time ago on Earth is called a ________.
fossil
tiger
extinct
endangered
The dinosaurs went extinct in the __________ Mass extinction
End Cretaceous
Triassic Jurassic
Ordovician-Silurian
None of the options
The reasons for the pattern of extinction rates after 1700 are (check all that apply)
more predators are eating these organisms
destruction of habitats through logging and agriculture
climate change
hunting
more volcanic activity
What is a mass extinction?
The introduction of a new species to an ecosystem
A significant event where a large number of Earth's species become extinct in a short period of time
A gradual decrease in biodiversity over millions of years
The evolution of a species into a new form
Which period's end is marked by the extinction of the dinosaurs, serving as an example of a mass extinction?
Jurassic
Triassic
Cretaceous
Permian
What event causes environmental upheaval due to the release of greenhouse gases and ash into the atmosphere?
Earthquakes
Volcanic Activity
Industrial Pollution
Ocean Acidification
Which event listed on the slide could potentially be caused by a nearby star?
Plate Movements
Sea Level changes
Supernova
Asteroid Impacts
What was a significant consequence of the Ordovician-Silurian Extinction?
A significant increase in biodiversity
The emergence of mammals
A significant drop in biodiversity, particularly affecting marine life
The appearance of the first land plants
What is known as the "Great Dying"?
End Cretaceous Extinction
End Permian Extinction
Devonian Extinction
Ordovician-Silurian Extinction
There have been 5 mass extinctions in Earth's history. Which of the following answer choices was a cause of these extinctions? You may select more than one answer. Check all that apply.
increased carbon dioxide (CO2) levels in the atmosphere
an asteroid impact
formation of glaciers and decreased sea levels
widespread volcanic activity
All of them
There have been 5 mass extinctions in Earth's history. Which of the following mass extinctions occurred first?
End Permian
Triassic
Late Devonian
End Ordovician
Which of the following events resulted in the most species extinctions overall?
Triassic
End Permian
Late Devonian
Cretaceous (KT Event)
A Mass Extinction wipe out one-fourth to one-half of all life on Earth in a short period of time.
True
False
extinction means that few individuals of the species still exist in the wild but their interactions with other species around them is ecologically insignificant because of their low abundance.
LOCAL
BIOLOGICAL
ECOLOGICAL
when no individual of species is found in in any part of the world.
LOCAL
BIOLOGICAL
ECOLOGICAL
when no individual of species is found in the place it originally inhabited, but found elsewhere in the wild.
LOCAL
BIOLOGICAL
ECOLOGICAL
What is our Philippines` National Bird?
EAGLE
MAYA
peacock-pheasant
