24. The product that honey bees produce and use it to seal cracks and repair their hives is :
C. Propolis ✔
Explanation :
Bees use propolis to seal cracks and repair their hives.
The evidences that Charles Darwin used to support his theory are:
fossil records
biogeography
comparative anatomy
vestigial organs occurence
analogy and homology.
Answer:
Sea caves
Explanation:
Sea caves is a land form that is formed in a cliff by the action of wave of the ocean or lakes. It is called littoral cave and mainly formed by wave action of a sea which involved the process of mechanical erosion and occur in clogged coast where there is break in the wave or wave action.
crop rotation mitigates the buildup of pathogens and pests that often occurs when one species is continuously cropped, and can also improve soil structure and fertility by increasing biomass from varied root structures. Crop cycle is used in both conventional and organic farming systems.
Paleontologists can identify organisms that may be ancient relatives of those living today. By looking at fossils they can also suggest how these organisms lived together in an ancient habitat. Few organisms become fossilized because the circumstances that an organism has to be in is very specific.