Basic Science

Primates - Characteristics of Primates

len Alfred Ajibola - Fri, 03rd January, 2020 @ 15:31: PM

Topics in Basic Science

Len Academy Examination Questions for Basic Science, JSS2, 2nd Term Len Academy Examination Questions for Basic Science, JSS3, 3rd Term Len Academy Examination Questions for Basic Science, JSS3, 2nd Term Primates - Characteristics of Primates Effects of Improper Waste Management Waste Management: Causes of Waste Concept of Mass and Weight Sources, Functions and Deficiencies of Mineral Salts (Macro-nutrients) Sources, Functions and Deficiencies of Mineral Salts (Micro-nutrients) Len Academy questions for Basic Science JSS1, second Term Len Academy mid-term test questions for Basic Science JSS1, 2nd Term Micro organisms causing food, water and air borne Diseases Vectors - Examples of Vectors, Vector borne Organisms and the Diseases they cause Bones of the Human Skeleton Meaning of Drugs, Type of Drugs and Side effects of Drugs Immunization, Processes involved in immunization and its importance Food: Carbohydrates and Sugars Uniqueness of Man: Unique Characteristics of Man Waste Management: Types of Waste Matter: Concept of Matter

Academic Questions in Basic Science

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

Which of the following statement is FALSE concerning mass and weight?

  • A. Mass is the amount of matter in a body

  • B. The element hydrogen has the smallest mass

  • C. You will weigh more on planet jupiter than earth

  • D. Weight is a function of gravity

  • E. Mass and Weight have different Standard International (S.I) Units

  • F. None of the above

Which of the following statement is FALSE concerning matter?

  • A. Anything considered as matter must either have mass or occupy space

  • B. Air is an example of matter

  • C. Plasma is a state of matter

  • D. Chemistry is considered as the study of matter and the changes they undergo

  • E. Vacuum is a space completely void of matter

  • F. Matter will always take up space no matter how small or invincible it is to the eyes

Which of the following is NOT matter?

  • A. Atom

  • B. Molecule

  • C. Ion

  • D. Bacterium

  • E. Virus

  • F. None of the above

The ultimate source of energy is _____.

  1. Plant
  2. Sun
  3. Food
  4. Water
  5. Air
  6. Earth

The speed of wind is measured with a wind vane.


The nutrient majorly found in the liver is _____.

  • A. Carbohydrate
  • B. Starch
  • C. Protein
  • D. Fats
  • E. Oil
  • F. Lipids

A body at rest possess _____ energy.

  • A. Kinetic
  • B. Potential
  • C. Mechanical
  • D. Chemical



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What are Primates?

An animal is considered to be a primate if it belongs to an order called Primate. The term  "order" refers to one on the levels of classifying living organisms.

The classification of living organisms are basically put into 7 levels. The levels of classification are:

Primates generally have 2 suborders. These are:

  1. Prosimian: They include primates like lemur, tarsiers and lorises.

  2. Anthropoids: These primates include monkeys, apes and man.

Primates are the 3rd most diverse order among mammals; after the orders: rodentia (comprising of rodents) and chiroptera (comprising of bats).

Please read more on the Introduction to Biology here.

Note: All primates do not exactly share the same characteristics and this has brought about some divisions among zoologist as to the proper classification of primates.

You can read on the Characteristics of Reptiles here.


Characteristics of Primates

  1. They have their eyes in front on their head; (that is; forward facing eyes). They also possess binocular vision, stereoscopic vision and colour vision.

  2. They have flexible shoulder and hip joint. This feature gives primate the ability to carry out climbing movements.
    Please read on the Functions of the Human Skeleton here.

  3. They have prehensile hands and feet with opposable thumbs and toes. This feature is responsible for the gripping and manipulative actions in primates.
    You can read on the Basic Characteristics of Living organisms here.

  4. They have 5 digits on their hands and feet. This is referred to as Pentadactyl.
    The image below shows the hands of various primates. (Monkeys are exceptions here).
    Hands of Primate - Len Academy

  5. They have four different sets of teeth. These are incissors, canine, molars and premolars. They also have a decreased number of teeth when compared to other mammals.

  6. They observe a longer postnatal cycle. This means that they spend a longer time caring for their young.
    Please read on Amazing Facts in Biology here.

  7. They have fingers and toes nails. (Unlike other animals with claws and hooves).

  8. They possess two clavicles (or collar bones) which connects the upper limbs to the manubrium of the sternum.
    Please read on All Bones of the Human Skeleton here.

  9. They have the ability to stand and walk on two legs. This is termed bipedalism.

  10. They live longer (that is; have longer life spans when compared to other mammals in a different order). Chimpanzee for instance can live for up to 70 years while baboons can stay alive for up to 30 years (with proper medical care).

  11. They exhibit an increased social behaviour and can gather in large groups.
    Please read on the Factors that Promote Cooperation here.

  12. They have bigger brains with more folds. The more folds a brain has, the more intelligent the animal would be. In fact, the brains of humans are highly folded, giving rise to man's uniqueness.
    Please read more on the Uniqueness of Man here.

Below is an image of the human brain:
Human Brain - Len Academy

The possession of a highly developed brain is the major attribute of man's uniqueness. This has enable man to reason, solve problems and advance in technology.

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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 Basic Science

Rasceta is the name given to the lines on your ✋ palm ✋

Goats have rectangular pupils in their eyes.

Think of the pupil as a hole located in the centre of the iris within of the eye.

Note: To get an idea of an iris; 'when one is said to have blue eyes', it's because the iris is blue

Among all land animals, 🐘 Elephants 🐘 have the longest gestation period.

They stay pregnant for 22 months before giving birth to their young

🦘 Kangaroos 🦘 can't walk backwards

The 🥛 milk 🥛 of an 🦛 hippopotamus 🦛 is pink in color

The seed of all fruits are present on the inside with the exception of one.

That exception is 🍓 strawberry 🍓

🍓 strawberry 🍓 has it's seed outside the fruit

It actually takes 🍍 pineapples 🍍 2 years to grow

The liquid inside a coconut 🥥 can be used as an excellent substitute for your blood plasma

Facts on Elephants - Len Academy

Elephants can't jump


The eyebrow is an area of dense, delicate hair just above the eye.

Eyebrows perform two main functions:

  1. Protects our eyes against sweat, rain, dirt and other atmospheric contaminants.
  2. It helps us express our emotions.

Eye Brow - Len Academy

Eyebrow modified in the form of Nike logo.

Note: Eyebrows can also be modified to enhance beauty.

All fruits have seeds.

There is nothing like a naturally occurring seedless fruit. Even banana, coconut and pineapple have all got seeds.

Weight can be defined as the force of gravity acting on an object.

If you traveled to space, you would be weightless because there isn't any force of gravity acting there. We all have weight on earth becasue the force of gravity acts here.

Weight is measured in Newton

Please read on the concept of Mass and Weight here

Mass is the amount or quantity of matter (substance) contained in a body. For instance, everything you are composed of, both from within and outside will make up your mass.

Mass is constant throughout the universe. You will have the same mass on earth and moon respectively.

Mass is measured in gram or kilogram and it's quite different from weight.

Matter is anything that has mass and occupy space.

Matter can exist in four states namely:

  • Solid
  • Liquid
  • Gas
  • Plasma