AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Animals disperse seeds by ____
A
eating seeds and dropping waste later on
B
hiding seeds for late and not coming back for them
C
catching seeds on their fur and carrying them to different places
D
all of the above
Explanation: 

Detailed explanation-1: -The seed of these plants catches on the fur of animals and are carried away to different places, far from their parent plants. Dates, rambutan, sea grapes, sea holly, tamarind, raspberry, sunflower, tomatoes are a few examples of plants whose seeds are dispersed by animals and birds.

Detailed explanation-2: -The seed-pooing animals All major groups of vertebrates, including mammals, birds, reptiles and fish, are involved. Even well-known carnivores such as wolves occasionally eat seeds and other plant material. Large-bodied frugivores, like tapirs, cassowaries and elephants, are important seed dispersers.

Detailed explanation-3: -The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.

Detailed explanation-4: -When the fruits are dispersed by an animal, the seeds present in them are automatically dispersed. When the fruits of Xanthium and Urena are dispersed by animals, the seeds of Xanthium and Urena present inside these fruits also get dispersed.

Detailed explanation-5: -Animals can disperse seeds by excreting or burying them; other fruits have structures, such as hooks, that attach themselves to animals’ fur. Humans also play a role as dispersers by moving fruit to new places and discarding the inedible portions containing the seeds.

There is 1 question to complete.