Flowers of plants that are pollinated by animals such as birds or insects are usually colorful. Colours sometimes helped by coloured guiding marks attract animals. Also, flowers are often shaped to provide a landing platform for animals, especially insects or have scent to attract them. Flowers adapted to birds’ pollination are often long-shaped with lots of nectar.
When it comes to wind-pollinated (or water) plants, it is important for them to produce a huge amounts of pollen, to have small petals or no petals at all (like grass). Also, the stigmas of receiving flowers have to be sticky.
Sally wouldn't be able to pin-point which animal the DNA came from. DNA is the universal genetic material.
Answer:
The sympathetic nervous system activates what is often termed the fight or flight response. Like other parts of the nervous system, the sympathetic nervous system operates through a series of interconnected neurons.
Explanation:
Cells can only come from pre-existing cells
CELL THEORY
1. cells are the basic units of structure
2. all living organisms contain one or more cells
3. all cells come from preexisting cells
Hope I helped