Carbon makes four electrons available to form covalent chemical bonds, allowing carbon atoms to form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen. This allows carbon atoms to form a tremendous variety of very large and complex molecules.
Answer:
D. groups organisms based on similarities related to their structure and evolution.
Explanation:
organisms are divided into 7 : domain - kingdom- phylum- class- order- family- genus- species, based on their structure and evolution.
Answer:
The correct answer is - Imprinting.
Explanation:
Imprinting is a behavior that includes both innate components and learning components and normally can not be irreversible. It is something that takes place at a specific sensitive period.
For instance, ducklings follow their mother is imprinting that is both innate and learned at a limited phase after birth during development. It can be visual or auditory or other ways that an animal can develop imprinting.
<span>The kidneys are retroperitoneal (towards the back) high in the dorsal body wall both in humans and cats.</span>
