(12:56:48 2010-10-02) Diagrams you should know:
Diagram of the internal structure of a dicotyledonous seed
NB: The structure labeled 'hypocotyl-radicle axis' is simply the 'radicle'.
Diagram of the internal structure of a monocotyledonous seed
Diagram of the flower structure
Diagram of the external structure of the leaf
NB: Another name for:
- 'tip' is 'apex'
- 'midrib' is 'main vein'
- 'lateral veins' is 'secondary veins'
- List 3 uses of plants.
- What are the two types of leaves?
- Define photosynthesis.
- What are the two raw materials or reactants in photosynthesis?
- What are the two products of photosynthesis?
- What two things MUST be present in order for photosynthesis to occur?
- Write the chemical equation for photosynthesis.
- What are storage organs?
- Give 3 types of storage organs and one example of each type.
- Differentiate between the two types of reproduction.
- What are the three ways in which plants reproduce asexually?
- How is sexual reproduction in plants accomplished?
- What is another term for 'gametes'?
- What is another term for 'zygote'?
- List the 4 floral organs.
- What is another term for 'pistil'?
- What is a complete flower?
- What is a carpelate flower?
- What is a stamenate flower?
- Which structure in the male part of the flower is most like the style? Explain your answer.
- Explain the two types of pollination.
- State the two methods/agents of pollination and describe the general structure of flowers pollinated using each method.
- What two things happen after pollination?
- What are 'rewards'?
- Why do plants invest in producing rewards?
- Define 'germination'.
- List the three conditions necessary for germination to occur.
- What is a food chain?
- List the three types of consumers.
- What does 'trophic' mean?
- List all the trophic levels.
- Which type of organisms are classified as decomposers? What is their role in the food chain?
- Write a terrestrial and an aquatic food chain that involves 4 organisms, excluding decomposers.
- Why in a food web some organisms can be placed on different trophic levels?
- What is the ultimate source of energy?
- How do all other organisms depend on plants?
- On which consumer level do you recommend being? Explain your answer.
13:51:04 2010-10-15 Article # 1
Read the following article and answer the questions that follow. This is due on Thursday 21st October.
Copy and paste the following web address into a new browser:
Answer the following questions based on the article you have just read:
- What experiment did Scientist Paul Johnson do?
- What was the goal of the experiment?
- What is obesity?
- What behavior was observed in the rats during the experiment?
- Which part of the brain did the researchers study? Explain exactly what it is.
- Which type of drug can cause the brain to secrete pleasurable chemicals?
- What were the two different diets fed to rats?
- What happened with the rats that were fed junk?
- What did Kenny and Johnson want to know? What did they do to find out?
- Explain how the 'reward system' works?
- The rats that were fed junk food started to run more and more. What did this suggest?
- Kenney said: "This is the hallmark of addition." What did he mean?
- What did Kenny and Johnson observe when they took the junk food away from the rats?
- Why was this experiment important?
2011-01-05 Project: Soil Types