Ciertas semillas presentan estructuras pegajosas que se anclan en las patas de animales, obteniendo así una elevada capacidad de dispersión. Los animales, a su vez, no obtienen ningún beneficio de estas semillas. Este corresponde a un ejemplo de

Introduction

Have you ever looked outside on a windy day and seen "helicopter" seeds spinning through the air? Or picked up a dandelion and blown on it, sending the tiny, fluffy seeds flying all over the place? Wind is very important for dispersing seeds to help plants reproduce. In this project you will design some of your own "seeds" and see which ones work best when they are blown across the room by a fan.

Explanation:

1.the evidene of the reaction

2.yes

3.yes