- Seed dispersal has a positive impact on a plant / a plant 's reproduction
- If something has a positive impact on something else then that something helps that something else
- So, seed dispersal helps a plant reproduce

- Seed dispersal helps a plant reproduce
- A tree is a kind of plant
- Therefore, seed dispersal helps a tree reproduce

- Seed dispersal is when the seeds of a plant are moved / are carried / are spread / are dropped / from the parent plant to another area / new environment
- When an animal gathers seeds it carries those seeds to a new area
- So, an example of seed dispersal is is an animal hiding / gathering / burying seeds

- Nuts are a kind of fruit
- Fruit contains seeds
- Hence, nuts contain seeds

- An example of seed dispersal is is an animal hiding / gathering / burying seeds
- Nuts contain seeds
- Hence, an example of seed dispersal is an animal gathering nuts

- An example of seed dispersal is an animal gathering nuts
- Squirrels gather nuts
- A squirrel is a kind of animal
- Therefore, an example of seed dispersal is a squirrel gathering nuts

- Seed dispersal helps a tree reproduce
- An example of seed dispersal is a squirrel gathering nuts
- So, a squirrel gathering nuts helps a tree reproduce

Therefore, a squirrel gathering nuts helps a tree reproduce
Q: A squirrel gathering nuts helps trees
Context:
- Nuts are a kind of fruit 
- A tree is a kind of plant 
- Squirrels gather nuts 
- Seed dispersal has a positive impact on a plant / a plant 's reproduction 
- If something has a positive impact on something else then that something helps that something else 
- Fruit contains seeds 
- Seed dispersal is when the seeds of a plant are moved / are carried / are spread / are dropped / from the parent plant to another area / new environment 
- When an animal gathers seeds it carries those seeds to a new area 
- A squirrel is a kind of animal