Answer:
Cretaceous
rex live? T. rex lived about 66–68 million years ago during the Cretaceous Period in the western United States, including Montana and Wyoming.
Explanation:
Answer:
Group B
Explanation:
because it the primary consumers eat fruits and seeds and the secondary consumers eat insects
Answer:
Ecosystem.
Explanation:
Archaea play an important role in ecosystems with organisms that derive or produce energy from oxidation of methane. Many of Archaea are bacteria which are often a major source of methane in such environments and they can play a role as primary producers. Archaea is important for scientists because it has unique ecological roles and can also generate energy differently i.e. responsible for producing biological methane which no eukaryotes or bacteria can do that.
"A gene pool consists of all genes, including all the different alleles that are present in a population. Number of times an allele occurs in a gene pool compared with the number of times other alleles occur. In genetic terms, evolution is any change in the relative frequency of alleles in a population."
Answer:
Bacteria usually reproduce by a simple form of asexual reproduction called binary fission (splitting into two). This is different from the normal process of cell division in higher plants and animals which starts with mitosis. ... It is often said that bacteria can divide every 20 or 30 minutes.
Explanation:
Bacteria usually reproduce by a simple form of asexual reproduction called binary fission (splitting into two). This is different from the normal process of cell division in higher plants and animals which starts with mitosis. ... It is often said that bacteria can divide every 20 or 30 minutes.