Answer:
Cactus (Cacti) Joshua Tree (Trees), Desert Lily (Flowers)
Explanation:
The producers I have mentioned are all plants and produce either food or oxygen.
Chemical (mutagens)
usually either mimic the structure of nucleotides and are inserted in DNA or either cause
chemical changes (such as alkylation) in nucleotides hence causing mismatching during replication.
Radiation, on the other hand, (due to its high energy) causes double-strand breaks in DNA causing an
increased likelihood of mutations during the repair of the DNA by cell
mechanisms.
There are no choices but examples of biotic factors are trees, mosses, ferns, fungi, mammals, birds, reptiles, worms, plants, and lichens.
Answer:
they act as barrier between inside and outside of body and protect the body from various viruses
Explanation:
Answer:
Explanation:
the meaning of valence electron is an outer shell electron with atom
