. Activity 3
3.1
The diagrams below shows plants from different divisions of the plant
kingdom.
A
IV
(2)
(4)
3.1.1 Name the division to which plants I and II belong, respectively.
3.1.2 State TWO differences between plants I and IV with reference to
reproduction.
3.1.3 State only the NUMBER of the plant group which has no vascular
tissue.
3.1.4 Place the plants in the correct sequence from primitive to most
advanced.
(
1)
(2)
(9)​

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.