Answer:
Brief description of the Orginal experiment state what was done
Explanation:
What did you change?
How did the changes help answer the question
Explanation:
Stages of development: During the fetal stage, the brain develops and the body adds size and weight, until the fetus reaches full-term development. Throughout the fetal stage the brain continues to grow and develop, nearly doubling in size from weeks
Answer:
From the soil.
Explanation:
Soil has non-organic and organic matter, therefore it is beneficial to the plant. The non-organic part of the soil is sediment, which has many minerals that the plant can use to its advantage.
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Answer:
Pic 1: Less water is lost by transpiration
Pic 2: Large surface area to volume ratio so that the maximum amount of sunlight can be absorbed for the leaf to photosynthesise.
Pic 3: Tiny 'hair' that traps water vapour.
Answer:
There are several factors that can contribute to the effect an environmental toxin has on the human body. They are:
- Form and innate chemical activity
- Dosage, especially dose-time relationship
- Exposure route
- Species
- Life stage, such as infant, young adult, or elderly adult
- Gender
- Ability to be absorbed
- Metabolism
- Distribution within the body
- Excretion
- Health of the individual, including organ function and pregnancy, which involves physiological changes that could influence toxicity
- Nutritional status
- Presence of other chemicals
- Circadian rhythms (the time of day a drug or other substance is administered)
