Identify an animal or plant that is in danger of extinction or that has been in danger of extinction in the recent past. State the environmental problems that would occur if the species became extinct. Describe the efforts that have been made to preserve the species and any opposition the efforts faced. Discuss how successful the efforts have been, and what accounts for their success or failure. In describing preservation efforts. Name a law if any that deals with this species protection.

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek

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.

sex cells are usually half's then they find another half and make a fertilize egg