A group of organisms that share major characteristics.
Genus
100
The tissue that carries water and nutrients from a plant's roots to its leaves.
Xylem
100
The loss of an entire species
Extinction
100
What are the four ways that we can use to manage natural resources?
Reuse, Recycle, Reduce and Conserve
200
Threadlike packages of DNA and proteins
Chromosomes
200
Microscopic organisms that may have characteristics of plants, animals, or fungi
Protist
200
A structure containing cells that can grow to become new plants without joining with other cells
Spore
200
Gradual long-term change of species in an ecosystem
Succession
200
How much wetlands around the world have been lost?
Half
300
Which process occurs as food and oxygen combine in mitochondria?
Digestion
300
Give one example of a scavenger.
vulture/ worms/ shrimps/crabs, etc.
300
Which biome do most ferns live in?
Tropical rain forests
300
Give an example of a renewable resource
Possible answers: trees, water, soil, wind, sunlight, etc.
300
Which countries have half of the oil in the world? Give three examples.
Saudi Arabia, Mexico, Nigeria, and Venezuela
400
What are the three parts of the Cell Theory?
1) All life processes take place in cells.
2) New cells are produced by existing cells.
3) Cells are the basic building blocks of all living things.
400
Which is a characteristic that separates bacteria from all other organisms?
They have no nucleus.
400
Which process takes place when sperm cells from pollen grains enter ovules and join with egg cells?
Fertilization
400
What is the relationship between a heartworm that is living off a dog? Explain.
Their relationship is parasitism because adult heartworms produce tiny larvae that live in a host dog's blood. This causes harm to the dog, but the heartworms benefit.
400
What is the difference between recycle and reuse?
Recycling something means we are using used materials to produce new materials. But reusing something simply means we use the old materials again. No change takes place.
500
Compare and contrast mitosis and meiosis.
Alike: Both describes the process of cell division.
Different: Mitosis describe the division of body cells, whereas meiosis describes the division of reproductive cells. The total number of chromosomes in the offspring cells after mitosis is 46, but after meiosis each reproductive cell has 23 chromosomes only.
500
List all of the characteristics of fungi.
Mostly multicelled, cell walls, nucleus, take in food, cannot move.
500
What are the differences between monocots and dicots?
1) Monocots: one cotyledon; dicots: two cotyledons
2) Monocots: flower parts in three; dicots: flower parts in fours or fives
3) Monocots: parallel leaf veins; dicots: netlike leaf veins
4) Monocots: scattered stem vascular tissue; dicots: stem vascular tissue in a ring
5) Monocots: fibrous roots; dicots: taproots
500
Why are tropical rain forests the most diverse biome?
Its climate and location are suitable for sustaining the lives of many species.
500
What plants make nitrogen available for other living organisms? Give three examples.
soybeans, peas, peanuts, clover and all kinds of beans