Summary
Summary Natural Sciences Term 1 Grade 7 (Via Afrika-textbook)
- Course
- Institution
Summary of 17 pages for the course Natural Sciences at 7th Grade (.)
[Show more]
2 reviews
By: lesleighmoodaley • 9 months ago
By: HannelieViljoen • 1 year ago
The summary is thorough, accurate, and easy to understand and navigate! The info is chapter specific so it's easy to target certain things
Seller
Follow
skoolnotas
Reviews received
Content preview
0, Table of Contents
Section 1 : Life and living things .................................................................................................. 2
Topic 1 : The biosphere ................................................................................................................ 2
Topic 2 : Biodiversity .................................................................................................................... 5
Topic 3 : Sexual reproduction ..................................................................................................... 10
Topic 4 : Variation ...................................................................................................................... 16
1
, Section 1 : Life and living things
TOPIC 1 : THE BIOSPHERE
Glossary
Term Definition
Aquatic Live in water.
Terrestrial Live on land.
Rotten Broken down.
Hypothesis An idea or explanation that you can test with a study or investigation.
Habitat The place where an organism lives.
The biosphere is where there is life
• Living beings are dependent on their physical environment.
• The biosphere is what life is all about.
• All plants, animals and micro-organisms live within the biosphere.
• Plants use sunlight for the process of photosynthesis.
• During photosynthesis, light energy is converted into chemical energy.
• Animals depend on plants for their energy.
What the biosphere is made of
• The lithosphere (soil and rocks).
• The hydrosphere (water).
• The atmosphere (gases).
There are many different kinds of living things
• Plants and animals live in specific environments.
• Plants provide shelter where many animals can live.
• Animals transport pollen and seeds.
• It helps the plants with reproduction and spread.
• Plants and animals need each other to live and grow.
• No plant or animal can exist alone.
Seven life processes
Nutrition (food)
• Living organisms need nutrients.
• Plants extract minerals and water from the soil.
• They use it together with energy from the Sun during photosynthesis.
• Animals feed on plants and sometimes on other animals to obtain energy.
• Plants are producers and animals are consumers.
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller skoolnotas. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$4.22. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
Recently viewed by you
