The earth’s history has had a significant effect on the characteristics of its organisms and biomes. how was the carboniferous period different from the devonian period? a. forests and land plants evolved during the carboniferous period. b. there were vertebrates in the carboniferous period, but not in the devonian period. c. there were an increased number of land-based organisms in the carboniferous period. d. there were vertebrates with four legs in the devonian period, but not in the carboniferous.

There were an increased number of land-based organisms in the Carboniferous period.

Correct answer choice is :

The Earth has several distinct ecosystems, differing in temperature, moisture, light, and many other circumstances. Each of these habitats has different life forms living in it, making complicated communities of interdependent organisms. A complex community of plants and animals in a region and a climate is named a biome.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects