Biology

Biology Scheme of Work, SS1, 2nd Term

len Alfred Ajibola - Thu, 19th March, 2020 @ 08:04

Topics in Biology

Hindbrain: Medulla Oblongata and its features Food web explained with examples Biology Scheme of Work, SS1, First Term Biology Scheme of Work, SS1, 2nd Term Biology Scheme of Work, SS1, 3rd Term Seminal Vesicles and Bulbourethral Glands as Male Accessory Sex Organs Male Reproductive System: Scrotum and its contents Brain: Introduction to the Human Brain Forebrain: Lobes of the Cerebrum and their Functions Cerebellum: Parts and Functions of the Cerebellum Midbrain: Division and Functions of the Midbrain Negative Feedback Mechanism in Homeostasis Arterial Disorders: Characteristics and Causes of Arterial Disorders Types of Desert and their Characteristics Characteristics of Tropical Rainforest Swamp Forest: What are Swamp Forests? Characteristics of Swamp Forests Savanna: Savanna and Grassland explained Savanna - Types of Savanna Tropical Savanna and Temperate Savanna with their Characteristics


Academic Questions in Biology

Please check out our Test Your Knowledge page to see all Questions and Answers

Which of the following is NOT a part of the wrist bones (or carpal bones)?

  • A. Cuboid
  • B. Scaphoid
  • C. Hamate
  • D. Triquetral
  • E. Pisiform
  • F. Trapezium

The statements below are true concerning arteries except _____.

  • A. The arterial wall has 4 layers

  • B. Tunica Adventitia is the outermost layer of an artery

  • C. Aorta is the largest artery in the human body

  • D. Pulmunary artery conveys deoxygenated blood

  • E. Internal bleeding will occur when a deeply located artery is broken

  • F. Arterial vascular disorders are worsened in people with diabetes and renal failure

The following statements are true concerning blood vessels except _____.

  • A. They are comprised of arteries, veins and capillaries

  • B. Problems associated with blood vessels are called vascular disorders

  • C. All veins carry blood towards the heart

  • D. Capillaries are found at cellular level

  • E. Arteries usually divide to form arterioles

  • F. Arterioles give rise to capillaries

Food Pyramid - Len Academy

The above diagram shows a _____.

  • A. Food Chain

  • B. Food Web

  • C. Food Flow

  • D. Food Energy

  • E. Food Pyramid

  • F. Food Hierarchy

Anything that elicits a physiological response from an organism is termed _____.

  • A. Response

  • B. Irritability

  • C. Adaptation

  • D. Competition

  • E. Stimulus

  • F. Action potential

Which of the following molecule is utilized directly as energy in the human body?

  • A. Glucose

  • B. Carbohydrate

  • C. Starch

  • D. Adenosine Mono Phosphate

  • E. Adenosine Di Phosphate 

  • F. Adenosine Tri Phosphate

Which of the following is not a basic characteristics of life?

  • A. Locomotion

  • B. Competition

  • C. Adaptation

  • D. Irritability

  • E. Nutrition

  • F. Death

The final organisms in a food chain are best referred to as _____.

  • A. Saprophytes

  • B. Parasites

  • C. Commensals

  • D. Decomposers

  • E. Tertiary consumers

  • F. Quatenary consumers

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Biology Scheme of Work, SS1, 2nd Term:

 

WEEK 1

Topic: Supporting System

 

WEEK 2

Topic: Vertebrate Skeleton

 

WEEK 3

Topic: Supporting Tissues in Plants
  • Types of Supporting Tissues in Plants
  • Location of Supporting Tissues in Plants
  • Structure and Components of Supporting Tissues in Plants
    -> Collenchyma
    -> Parenchyma
    -> Sclerenchyma
    -> Xylem

 

WEEK 4

Topic: Animal Nutrition
  • Classes of Food with Examples
  • Concept of Balance Diet and its Importance
  • Forms in which Living Things exist
    -> As a Colony
    -> As a Filament
  • Cell Structure and Functions of its Components
  • Food Test
  • Types of Heterotrophic Nutrition
    -> Holozoic
    -> Parasitic
    -> Commensalism
    -> Saprophytic
  • Feeding Mechanism in Holozoic Organisms
    -> Fluid Feeders
    -> Filter Feeders
    -> Deposit Feeding
  • Please read on the Classification of Insect Pest based on their Mode of Feeding here.

 

WEEK 5

Topic: Mammalian Teeth
  • Forms -> Milk and Permanent Teeth
  • Types -> Incisors, Canines, Premolars and Molars
  • Structure of a Tooth
  • Dental Formula and Adaptation
    -> Herbivores
    -> Carnivores
    -> Omnivores

 

WEEK 6

Topic: Basic Ecological Concepts and Components of the Ecosystem

 

WEEK 7

Topic: Population Studies
  • Population Size, Population Dominance and Population Density
  • Factors affecting Population
  • Ecological Factors affecting Terrestrial and Aquatic Habitats
  • Importance of Ecological Factors to the Population of Plants and Animals

Please read on Interesting Facts for students here.

 

WEEK 8

Topic: Ecological Factors (Contd.)
  • Soil Types and their water holding effects
  • Simple Measurement of Ecological Factors and their Measuring Instruments. E.g Physical and Edaphic Factors

 

WEEK 9

Topic: Functioning Ecosystem

 

WEEK 10

Topic: Trophic Level (Food Chain, Food Web and Food Pyramid)
  • Food Chain
    Please read on Food Chain in an Ecosystem here.
  • Food Web
  • Non-Cycle Nature of Energy Transfer
  • Energy Flow in Terrestrial and Aquatic Habitats
  • Pyramid of Number and Energy
  • Nature of Energy Flow in Food Chain and Food Web

 

WEEK 11

Topic: Revision

 

WEEK 12

Topic: Examinations

 

Read Biology Scheme of Work for SS1, 1st Term here

Read Biology Scheme of Work for SS1, 3rd Term here

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.


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Amazing facts in Biology

Male Seahorses actually give birth to their young ones, NOT the female

All babies are born with blue eyes

Research made at the University of Vienna suggested that yawning may play an essential role in cooling the brains

All voluntary and concious activity of right handed people are controlled from the left part or hemisphere of the brain

A snail can actually sleep for 3 years 😁

An adult human being is composed of about 60% water. In fact, a newly born baby is composed of about 80% of water. This will drop to 65% after a year and finally to about 60% as the child ages

Without saliva, food can never be enjoyed. Food becomes tasteless since saliva is needed to dissolve the chemicals present in food onto the tongue’s taste buds.

Saliva also contains an enzyme called salivary amylase or ptyalin which helps to digest cooked starch to maltose.

Maltose is a double sugar or disaccharide.

Please read on sugars here


NOTABLE POINTS IN Biology

For a thing to be considered Living, it must possess all the Basic Characteristics of Life. These include:

  1. Movement

  2. Respiration

  3. Nutrition

  4. Irritability or Sensitivity

  5. Growth

  6. Excretion

  7. Reproduction

  8. Death

  9. Adaptation

  10. Competition

Please read the explanations on all the Basic Characteristics of Life here

During strenuous exercises like sprinting or 🏃 running, your body may actually work in the shortage of oxygen. During this time, your body owes oxygen (called oxygen debt) and it must be replenished or repayed after the exercise is stopped. This is why you breathe excess of oxygen after you stopped the exercise.

This is the concept of anaerobic respiration

Food Chain - Len Academy

A food Chain is a diagram that shows the relationship between plants and animals within a habitat on the basis of how they rely on each other for food.

Note: Habitat is a place where an organism live. It is of three types:

  • Terrestrial (Land)
  • Aquatic (Water)
  • Arboreal (🌲 Treetops)

You can read on Food Chain here

The term Biology originated from two Greek words. They are:

  • Bios: means life.
  • Logos: means knowledge or to study.

Biology can therefore be defined is the study of life

Anything that has life is generally considered as a living organism (or organism) 🌱🐐🐓. All living organisms must be able to carry the following activities:

  1. Movement
  2. Respiration
  3. Nutrition
  4. Irritability or Sensitivity
  5. Growth
  6. Excretion
  7. Reproduction
  8. Death
  9. Adaptation
  10. Competition

The above listed points are often regarded as the basic characteristics of life. You can memorize them using the acronym (MR. NIGER DAC).

You can read on the introduction to Biology and the basic characteristics of life here

The gas used in the manufacture of food by plants is Carbon dioxide or Carbon(IV)oxide or CO2

Plants manufacture food through a process called photosynthesis.

Please read on photosynthesis here

Note: Plants are the only orgnisms that take away CO2 from the atmosphere