You are presented with the quiz "What forms secondary vascular tissues in trees?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "secondary growth forms secondary vascular tissues and bark" and "all trees have bark". So, what's the best answer to the question?

OPTIONS:
- allow growth
- primary growth
- secondary growth
- In their leaves
- end growth
- mating
- Most plants
- shrub beds

Answer: secondary growth

You are presented with the quiz "What can enhance a plant's growth?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the looseness of soil has a positive impact on a plant 's roots' growth in that soil" and "air exchange in the root zone is essential for root growth". So, what's the best answer to the question?

OPTIONS:
- sunlight
- tight soil
- Energy.
- loose soil
- Enzymes
- compacted roots
- energy
- compact soil

Answer: loose soil

You are presented with the quiz "What carries something that covers organisms to make fossils?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fossils are formed when layers of sediment cover the remains of organisms over time" and "all streams carry sediment ". So, what's the best answer to the question?

OPTIONS:
- squids
- Streams
- streams.
- coral reef
- coral
- amoebae
- bamboo
- Nematoda

Answer: Streams

You are presented with the quiz "a disease that can be metastic occurs when the cell cycle is regulated how often?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer is a disease that occurs when the cell cycle is no longer regulated" and "metastatic cancer is cancer that has spread". So, what's the best answer to the question?

OPTIONS:
- often
- no less
- forever
- Leptospirosis
- illness
- heat or cold
- no longer
- electrically

Answer:
no longer