Which statement describes the relationship between the deer and the bear on the food web?

Select one:

a. Autotrophs supply food for the heterotrophs.

b. Heterotrophs compete for the same food source.

c. Autotrophs and heterotrophs share the same food source.

d. Heterotrophs supply food for the autotrophs.

I believe the answer is "A". Please correct me.

What is involved in redox reactions

Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves

Twind is considered to be an abiotic factor because it.?