Answer:
the observation that the expansion from the big bang is speeding up.
Answer:A python can increase its metabolism and enlarge its organs in order to swallow and digest prey while.
Explanation:This can be traced to unusually rapid evolution and adaptations of its genes.
Penguins belong to kingdom Animalia; phylum Chordata; class Aves.
They are considered as birds that are flightless. They belong to the aquatic group; they supposed to have wings but it had evolved into flippers and they have webbed feet.
Answer:
The correct answer is a mantle.
Explanation:
A mantle refers to an essential component of the body of molluscs. It refers to a delicate covering produced from the body wall that at certain occasions get strengthened by calcium carbonate.
In various species of molluscs, the epidermis of the mantle discharges calcium carbonate and produces a shell over the entire body. The mantle encloses the stomach, heart, gonads, and intestines of the molluscs.