Answer:
it is D
What global climatic change gave gymnosperms an advantage over ferns?
A) Increased fluctuations in global climate
B) the climate becoming hotter and wetter
C) the climate becoming cooler and drier
D) the climate becoming hotter and drier
Answer: Prokaryotic cells have free flowing DNA. This DNA is in a circular shape and flows freely in the cytoplasm
an organism is resistant to a chemical if it has a gene that protects it from the chemical.
Limited resources in an ecosystems would be
Land/territory
<span>Food </span>
<span>Water (in terrestial ecosystems) </span>
<span>Sunlight (mostly for plants) </span>
<span>Nutrition in the soil (again, usually for plants) </span>