• Algae are the primary producers in aquatic food chains.
• They release a lot of oxygen to the atmosphere.
• Some cause human diseases like malaria and amoebic dysentry ,sleeping sickness
• Some are source of food for humans e.g. sargassum is a source of iodine
• Skeletons of diatoms used in paint making.
Wilfykil answered the question on February 28, 2019 at 13:51
- Give the General Characteristics of Kingdom Protoctista(Solved)
Give the General Characteristics of Kingdom Protoctista
Date posted: February 28, 2019. Answers (1)
- Which are the bones of hind limb?(Solved)
Which are the bones of hind limb?
Date posted: February 28, 2019. Answers (1)
- Which are the Bones of Fore-limbs?(Solved)
Which are the Bones of Fore-limbs?
Date posted: February 28, 2019. Answers (1)
- Name the Types and Functions of Skeletons(Solved)
Name the Types and Functions of Skeletons
Date posted: February 28, 2019. Answers (1)
- State the role of support tissues in young and old plants(Solved)
State the role of support tissues in young and old plants
Date posted: February 28, 2019. Answers (1)
- Name the defects of the ear(Solved)
Name the defects of the ear.
Date posted: February 28, 2019. Answers (1)
- List the effects of hard drugs on human health(Solved)
List the effects of hard drugs on human health
Date posted: February 28, 2019. Answers (1)
- What are the similarities between endocrine and nervous system?(Solved)
What are the similarities between endocrine and nervous system?
Date posted: February 28, 2019. Answers (1)
- Write brief notes on Thyroxine(Solved)
Write brief notes on Thyroxine
Date posted: February 28, 2019. Answers (1)
- State the Hormones produced in humans and their effects on the body.(Solved)
State the Hormones produced in humans and their effects on the body.
Date posted: February 28, 2019. Answers (1)
- Give the Components of the nervous system in humans(Solved)
Give the Components of the nervous system in humans
Date posted: February 28, 2019. Answers (1)
- Define the following:
1. Phototaxis
2. Osmotaxis
3. Chemotaxis(Solved)
Define the following:
1. Phototaxis
2. Osmotaxis
3. Chemotaxis
Date posted: February 28, 2019. Answers (1)
- Define the following terms as used in Genetics:
(Solved)
Define the following terms as used in Genetics:
1. Genotype
2. Phenotype
3. Alleles
4. Homozygous
5. Heterozygous
6. Hybrid
7. Hybrid vigour or Heterosis
Date posted: February 28, 2019. Answers (1)
- What are the Components of DNA?(Solved)
What are the Components of DNA?
Date posted: February 28, 2019. Answers (1)
- What are the Properties of Chromosomes?(Solved)
What are the Properties of Chromosomes?
Date posted: February 28, 2019. Answers (1)
- What is Genetic Engineering?(Solved)
What is Genetic Engineering?
Date posted: February 28, 2019. Answers (1)
- Define the term "Gene therapy"(Solved)
Define the term "Gene therapy"
Date posted: February 28, 2019. Answers (1)
- Define the term "cloning"(Solved)
Define the term "cloning"
Date posted: February 28, 2019. Answers (1)
- Discuss baculoviruses as bio control agents(Solved)
Discuss baculoviruses as bio control agents
Date posted: February 25, 2019. Answers (1)
- Describe how the human kidneys are structurally adapted to perform their functions.(Solved)
Describe how the human kidneys are structurally adapted to perform their functions.
Date posted: February 24, 2019. Answers (1)