#Question id: 10894
#Unit 10. Ecological Principles
A group of species that interact with each other in their exploitation of a resource gradient are referred to as
#Question id: 10895
#Unit 10. Ecological Principles
Members of a guild
#Question id: 10896
#Unit 10. Ecological Principles
Resource partitioning results in
#Question id: 10897
#Unit 10. Ecological Principles
When three species of sunfish with similar niches were all placed in the same experimental pond, each made use of resources that they did not exploit in the absence of the other species. This scenario is referred to as
#Question id: 10898
#Unit 10. Ecological Principles
Living in groups, such as the herds of bison that once inhabited the prairie, may evolve because of
#Question id: 10899
#Unit 6. System Physiology – Plant
Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;