Ecosystems
Adaptations
Weather and Climate
Cells, Cells, Cells
Genetics and Traits
100
What is an ecosystem?
a. A single organism
b. A community of organisms and their physical environment
c. The process of evolution
d. The study of stars and galaxies
b. A community of organisms and their physical environment
100
What is an adaptation in biology?
a. A type of fruit
b. A characteristic that helps an organism survive in its environment
c. A musical instrument
d. A type of dance
b. A characteristic that helps an organism survive in its environment
100
Which of the following best describes climate?
a. The condition of the atmosphere in a specific place at a specific time
b. The short-term changes in the atmosphere
c. The average of weather conditions in a region over a long period of time
d. The movement of the air
c. The average of weather conditions in a region over a long period of time
100
What is a cell?
The smallest living unit of life.
100
What is a gene?
a. A type of cloud
b. A unit of heredity that is passed from parent to offspring
c. A type of bird
d. A type of flower
b. A unit of heredity that is passed from parent to offspring
200
Which of the following is an abiotic factor in an ecosystem?
a. Plants
b. Animals
c. Temperature
d. Bacteria
Temperature
200
Which adaptation helps a polar bear survive in its cold Arctic habitat?
a. Hibernating during the winter
b. Thick layer of blubber under the skin
c. Long neck to reach leaves on tall trees
d. Brightly colored feathers for attracting a mate
b. Thick layer of blubber under the skin
200
Which statement best describes weather?
a. The long-term patterns of temperature and precipitation in an area
b. The current state of the atmosphere
c. The movement of tectonic plates
d. The speed of light in the atmosphere
b. The current state of the atmosphere
200
Where is genetic material found in a cell?
a. Nucleus
b. Mitochondrion
c. Vacuole
d. Endoplasm
a. Nucleus
200
How many chromosomes do humans normally have?
a. 22
b. 46
c. 15
d. 10
b. 46
300
What is a food web?
a. A single chain showing the flow of energy in an ecosystem
b. A complex network of interconnected food chains
c. The top predator in an ecosystem
a. A single chain showing the flow of energy in an ecosystem
300
How does a cactus adapt to survive in a desert environment?
a. By storing large amounts of water in its fleshy stem
b. By having sharp thorns for protection against predators
c. By hibernating during the hottest months
d. By migrating to cooler regions
a. By storing large amounts of water in its fleshy stem
300
What is the water cycle?
a. The cycle of water freezing and melting
b. The journey of water through different states and locations on Earth
c. The boiling point of water
d. The amount of precipitation in a year
b. The journey of water through different states and locations on Earth
300
Which organelle is known as the powerhouse of the cell?
a. Ribosome
b. Mitochondrion
c. Golgi Apparatus
d. Endoplasmic Reticulum
b. Mitochondrion
300
The physical expression of a genetic trait is known as the:
a. Genotype
b. Mutation
c. Phenotype
d. Adaptation
c. Phenotype
400
What is the role of decomposers in an ecosystem?
a. They produce oxygen
b. They regulate the temperature
c. They break down dead organisms and recycle nutrients
d. They are at the top of the food chain
c. They break down dead organisms and recycle nutrients
400
What is an example of a behavioral adaptation?
a. A bear hibernating during winter
b. A bat using echolocation to catch prey at night
c. A bear's sharp claws for climbing trees
d. A bird's brightly colored feathers for attracting a mate
a. A bear hibernating during winter
400
Which of the following is a greenhouse gas?
a. Oxygen
b. Nitrogen
c. Carbon Dioxide
d. Argon
c. Carbon Dioxide
400
What is the function of the vacuole in a plant cell?
a. Break down nutrients
b. Store water and nutrients
c. Generate energy
d. Aid in cell division
b. Store water and nutrients
400
What is a Punnett square used for in genetics?
a. To predict the probability of traits in offspring
b. To study photosynthesis
c. To analyze cloud formations
d. To measure temperature changes
a. To predict the probability of traits in offspring
500
What is a trophic level in a food chain or web?
a. The amount of water available in an ecosystem
b. The position an organism occupies in a food chain
c. The number of different species in an ecosystem
d. The overall size of an ecosystem
b. The position an organism occupies in a food chain
500
Which of the following is an example of a plant adaptation to attract pollinators?
a. Producing a foul odor
b. Having bright colored flowers
c. Growing thorns
d. Releasing toxins
b. Having bright colored flowers
500
What is the last day of School?
June 6th (Last Homeschool Day)
500
What gives plant cells their green color and is essential for photosynthesis?
a. Chloroplast
b. Vacuole
c. Endoplasmic Reticulum
d. Cell Membrane
a. Chloroplast
500
What is the difference between homozygous and heterozygous genotypes?
a. One is always expressed, the other is hidden
b. One has two identical alleles, the other has two different alleles
c. One is dominant, the other is recessive
d. One shows physical traits, the other does not
b. One has two identical alleles, the other has two different alleles