At the time of mid-blastula transition which of the following event not occur?

#Question id: 29072

#Unit 10. Ecological Principles

There are some following figures depicts the age structure of three populations;

Assuming these age-structure diagrams describe human populations, which population is likely to experience negative growth rate?

#Question id: 29073

#Unit 10. Ecological Principles

Given below is an ecological pyramid, which of the following statements about these pyramid is correct:

#Question id: 29074

#Unit 10. Ecological Principles

Given below is a matrix of possible interactions beneficial. (+), harmful (-), Neutral (0) between species 1 and 2. The names of interactions, A, B, C, D and E respectively;

#Question id: 29075

#Unit 10. Ecological Principles

Identify the pollinators for the flowers with following pollination syndromes

I- Flowers evolved features such as blue purple yellow and various other except red

II- Flowers evolved features such as no fragrance because their pollinators has poor sense of smell

III- Flowers only white or light , reflective colors only with strong odori because their pollinators has good sense of smell

IV- flower has every colour including red colour with light floral scent and also providing landing place for nectar

#Question id: 29076

#Unit 10. Ecological Principles

Corals and the Dinoflagellates showing which type of mutualism

#Question id: 29077

#Unit 10. Ecological Principles

The relationship between acacia plants and the ants that live within their thorns is