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
The economic importance of the larva in the diagram is that it ...
The main ecological problem facing intertidal organisms is ...
The dry indehiscent, winged fruit formed from one one carpel is known as ...
Which of the following is a primary source of pollution in aquatic ecosystems? ...
The capture and digestion of insects by a pitcher plant is a special form of nutrition termed ...
The stems of young herbaceous plants are kept upright mainly by ...
Which of these responses is not voluntarily controlled by the brain? ...
Which of the following organisms is at the tissue level of organization? ...
The rate of transpiration of a leafy shoot would be highest under ...