#Question id: 11382
#XL - R Botany
Ecologist has proposed following explanation to lead biodiversity at tropic.
a) Higher productivity in the tropics allows for more species
b) Environments are more stable and predictable in the tropics, with fairly constant temperatures and rainfall levels year-round
c) Predators and pathogens limit competition in the tropics, which allows more species to coexist
d) High evolutionary speed at tropic than temperate
#Question id: 4945
#XL - T Zoology
Which is a defining characteristic that all protobionts had in common?
#Question id: 2656
#XL - T Zoology
In a cell as per the Operon Concept, the regulator gene governs the chemical reactions by
#Question id: 10881
#XL - R Botany
In deep water, which of the following abiotic factors would most limit primary productivity?
#Question id: 10243
#XL - T Zoology
A group of species that potentially compete with one other for a resource, such as insect- eating birds, is called a