Which of the animals in the diagram represents the o...
Which of the animals in the diagram represents the oldest creatures in evolutionary history
iii
ii
i
iv
Correct answer is D
Embryos of vertebrates can be used to show evolutionary trends:
- Fishes → Amphibians → Reptiles → Birds → Mammals
In an ecosystem, the organism that changes light energy into stored chemical energy is the ...
The role of bacteria in the nitrogen cycle includes the following except ...
A limited factor in a plant population near a chemical factory is likely to be ...
The excessive use of agro-chemicals could lead to the pollution of ...
From the diagram above The structure labelled I is the ...
The transfer of pollen grains from the anther to a sigma is ...
The correct sequence of the movement of urea during urine formation is ...
Which of the following orders correctly represents the trend in eutrophication? ...
Mammals require a relatively high amount of carbohydrates because ...