Cell life and plant tissues
Answers are for parents and teachers.
1
How is the elodea experiment done and what does it show? Write 3–4 sentences.
The leaf is mounted and viewed under a microscope; moving chloroplasts show that cytoplasm in a living cell constantly moves.
2
If one cell divides 4 times in a row, how many cells result?
16
3
Make a table of tissues: tissue — where found — job (6 tissues).
Formative — growing points, cambium; covering — outside; basic — photosynthesis/storage; conducting — xylem, phloem; mechanical — support; secretory — oils, nectar.
4
On a cut tree trunk, annual rings are visible. What do you think they form from?
The cambium forms a new layer of wood each year; spring and summer wood differs from autumn–winter wood.
5
Tomato, potato and apple: which tissue do they have a lot of? Explain with an example.
Storage basic tissue (parenchyma): starch in potato tubers, water and sugar in fruits.