Section 1-4 Flashcards
A seed plant is a plant that doesn’t produce its own seeds. True or False
This is false since all plants produce seeds.
What is selective breeding in plants?
Selective breeding is when scientists choose certain plants to breed to make new species.
Cuttings and graftings are the same thing. True or False?
False, a cutting are small pieces of a plant that still have a stem, grafting is when you attach one plant to another.
Plants that don’t need seeds to reproduce are called suckers. True or False?
False, this is actually called vegetative reproduction.
What four things do plants need to survive?
Light, water, space and nutrients.
How is monoculture important to our economy?
Monoculture is the production of one type of plant which is then sold to make money.
The yield of the plant is the amount of useful plant part per plant. True or False?
True
Provide an example of a plant that has special adaptations to help it with its surroundings.
Answers may vary
What are two of the 5 main nutrients a plant needs?
Nitrogen, phosphorous, potassium, calcium and magnesium.
Plants with long stems that run across the surface of the ground are called ________.
Runners
What is a plant called that grows off a stem of another plant?
A sucker
What is a rhizome?
A plant that has stems that run underground.
Biological control is when natural predators are used to kill invasive species. True or False?
True
What’s the difference between a herbicide and a pesticide?
A pesticide is made to kill insects that harm the plants. Herbicides are made to kill invasive plants like dandelions.
Diffusion is not used in osmosis. True or false?
False. Diffusion allows particles to move from a high concentration to a low concentration.
Cellular respiration doesn’t need photosynthesis to function. True or False?
False, without any photosynthesis, the whole plant wouldn’t function.
Photosynthesis uses chloroplasts to make energy for the plant. True or False
True
Explain what osmosis is and explain why plants use it.
Osmosis is the transportation of water particles through a selectively permeable membrane using the process of diffusion. Plants use this as a way to get water to places the other processes cannot.
What process allows water to travel through tiny tubes in the roots and stems, causing the particles to attract and transport?
Capillary Action
Explain how transpiration intakes water.
Transpiration happens when water particles evaporate and are raised upwards, throughout the plant. These particles then travel up the stem
What is the process that draws water from the plants roots called?
This process is called transportation.
Stems provide a pathway for nutrients to get throughout the plant. True or False?
True
What is a leaves main purpose?
Produces food, takes in carbon dioxide and releases oxygen, allows water to exit the plant
What main structures are located in seeds?
An embryo, for reproduction, and food for the embryo.
Plants aren’t necessary to all of the life on earth. True or false.
Answer: False they supply us with many things we rely on.
What four categories can vegetation be classified across Canada.
a) forest, barren, tundra, and agriculture b) thick forest, thin forest, barren, and tundra c) tundra, forest, semi-barren, and barren
Aboriginal people used plants for medicine, fiber and food. True or false
Answer: True ex: they used paintbrush to treat rheumatism
Plants can be made into rubber and glue. True or false
True
Living resources are living things that can be used for human needs. True or false
Answer: True ex: When we cut lumber it can be used as a place for recreation.
Plants produce oxygen for us. True or false
Answer: True they produce it during photosynthesis
We use more natural resources as our population grows. True or false
Answer: True more people means more for people.
Can you make syrup out of birch tree sap?
Answer: You can it just has a different taste
Name one thing you probably see or use in class a day that is made out of plants and name the plant.
Answer: Paper or a lead pencil they are made out of trees
Can plants live in a barren place and if so name what plant?
Answer: Yes, it is a cactus
What isn’t made from a plant. a) staple b) paper c) glue d) straw hat
Answer: a) staples are made out of metal not plants
A t-shirt isn’t made of a plant. True or false
Answer: False a t-shirt is made of cotton
What is the textbook made from?
Answer: The grade 7 textbook is made from plant fibres.
Do plants make their own food?
Answer: Yes they make it out of h2o, co2, and sunlight.
Can plants provide shelter?
Answer: Yes they do ex: trees trunks can provide shelter for a bird or chipmunks/squirrel
Soil isn’t just made of dirt. True/False
True
If you don’t think soil is made of just dirt, what else is it made of?
Water, oxygen, minerals
What 3 things does rich soil have?
Nutrients, plenty of microorganisms, organic particles
How can you determine the quality of soil? How moist it is, if plants grow well, etc.
How moist it is, if plants grow well, etc.
How does soil contribute to the ecosystem and everyday life?
It contributes by letting plants grow and stay alive so they can give food to connect the ecosystem chain
What would happen if a soil if you grew the same plant year after year?
The soil would eventually run out of nutrients that the plant can’t make itself and would eventually be unable to sustain life
What type of soil do you think is best for your garden?
Answers vary. It depends of what type of soil the plants need.
How can our practices improve or degrade our soil?
Answers vary. It depends on how people treat the soil and how it’s used.
What is no-till farming? What are the advantages/disadvantages?
No-till farming is a method of farming crops that doesn’t involve plowing. Advantages and disadvantages vary.
What changes have been made in technology to improve soil quality?
Answers vary.
How does human use impact the soil now compared with 100 years ago?
Health advances improved over the years, and there are more
