The basic reason why unripe fruits have defensive chemicals is that they need to protect the seeds that are not ready to germinate. On the other hand, the seeds of the ripe fruits are ready to germinate and so they need to get spread with the help of animals and birds and so there are no defensive chemicals. These seeds spread to different places and the soils help them to germinate under suitable conditions.
<span>The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales—needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem.</span>
Exocrine pancreatic insufficiency is basically a condition wherein the human body is incapable of digesting food due to lack of digestive enzymes produced by the pancreas. This is found in humans affected with cystic fibrosis and Shwachman- Diamond Syndrome and is also common among dogs. The consequences or side effects of this medical condition are the following:
a) frequent diarrhea
b) gassy stomach and bloating
c)stomach pain
d) greasy and foul smelling stools
e)weight loss
I. Fruits aid in the dispersal of seeds by wind or by animals that carry or eat the fruits.
F. Seeds protect and nourish plant embryos, and fruits protect the seeds.
C. In many angiosperms, the male gametophyte contained in a pollen grain can be transported many miles away by wind or animal pollinators.
B. Seeds enable plant embryos to be dispersed long distances from the parent plant via wind or animals.
A. Flowers attract animal pollinators carrying pollen from other plants of the same species.
D. Floral parts of the saprophyte protect the reduced female gametophyte from drying out and from UV radiation.