Answer:
Here are seven theories complied by the science daily LiveScience which suggests the origins of Life.
1 Panspermia.
2 Simple Beginnings. ...
3 RNA World. ...
4 Chilly Start. ...
5 Deep-Sea Vents. ...
6 Community Clay. ...
7 Electric Spark. ...
Explanation:
Given the answers;
a) Reptiles
b) Cactus plants
c) Small birds
d) Crabs and crayfish
The answer is C. Small birds.
On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to Island, which helped him to develop his theory of natural selection.
Tropical rain forest
Explanation:
The best ecosystem that would give the biologist the best chance of finding new kinds of plants to use for her research is the tropical rain forest.
The tropical rain forest is found around the equatorial region of the world. It is usually wet, moist and sunny here. Due to the plethora amount of solar energy available here, life is diverse.
The biologist would need different plant species to find her desired antibiotics. Tropical rain forest will present the best biodiversity for the studies.
Learn more:
Temperate and tropical forest brainly.com/question/10856870
#learnwithBrainly