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Grade 11 unit 1 biology notes sbi3ui

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Grade 11 unit 1 biology notes sbi3ui

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😅 Unit 1

,Review 3UI
Diversity
1.​ Levels of Classification.
Domain Kingdom Phylum Class Order Family Genus Species

2.​ Know the Kingdoms and a few species from each.
Kingdoms (Animalia, Plantae, Fungi, Protista, Archaebacteria, and Eubacteria)

3.​ Types of bacteria (shapes)
Mono – one
Diplo – two
Strepto – chain
Staphylo – clump
Bacilli (bacillus) – Rod shaped
Cocci (coccus) – Round shaped
Spirilla – Spiral shaped (only found in singles)
Helix – Helix shaped (only found in singles)

4.​ Endospore formation
When the conditions are not adequate, the bacteria can produce an endospore in order
to wait out bad environmental times.

5.​ How bacteria reproduce
Asexual reproduction: Making identical copies of itself via Binary Fission.
Sexual Reproduction

6.​ Bacteria vs Virus (prokaryotes, eukaryotes, diagrams)

7.​ Lytic cycle vs lysogenic cycle
Lytic cycle: One virus goes in, takes over a cell then explodes and makes more viruses
then the other viruses go to other cells.
Lysogenic cycle: Virus merges with cells so you don't know you have it. Use your own
cell mitosis against you. It comes out and goes away. You always have it like a cold sore

8.​ Immunity and immune responses
Immunity is being immune immune response are like allergies they set off our immunity.

9.​ Describe the characteristics of fungi and how they reproduce.
Fungi are heterotrophic.
They depend on other organisms for their nutrition.
Reproduce sexually and asexually.


10.​Why are fungi important?

, recycling of nutrients in the ecosystems.
Fungi along with bacteria change organic substances into the raw materials needed for
other plants to use to grow.

11.​Describe protists.
Most protists are microscopic unicellular aquatic organisms.

12.​How do all the kingdoms interact together to form a diversity of living things?

13.​Dichotomous Key. Make and use one.

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11th Grade
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1
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October 12, 2026
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Class notes
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Unit 1
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