Secretes hormones that are stored in the posterior pituitary gland

Hypothalamus

Explanation:

The cell bodies of the neurosecretory cells of the paraventricular and the supraoptic nuclei of the hypothalamus synthesize the hormones oxytocin and antidiuretic hormone (ADH), also called vasopressin. These hormones are stored and released in blood by the posterior pituitary gland. The posterior pituitary does not synthesize hormones.

The hormones from the hypothalamus are packed into vesicles and are transported to the axon terminals of the posterior pituitary via the hypothalamic–hypophyseal tract. The hormones are stored in axon terminals and released in the blood when required.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.