Aperson is swimming when a fish touches his foot. his heartbeat and breathing increase for a few seconds until he realizes the fish is harmless. which part of the nervous system returns his heartbeat to norma

What is turgor pressure, what causes it, and what does it do for a plant?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Some plants release toxic chemicals that kill or harm nearby plants. what type of example is this? 1 cooperation 2.mutualism 3.competition or 4.parasitism