The term 'metastasis' refers to: MCQ with Answer and Explanation

Explanation:
Cyanobacteria contain chlorophyll a (like plants) along with phycobilins (phycocyanin and phycoerythrin). Chlorophyll b is in green plants, phycocyanin is an accessory pigment.

Explanation:
Rickets is characterized by weak, soft bones, bowed legs, and growth retardation due to impaired calcium deposition. In adults, equivalent is osteomalacia. Scurvy is vitamin C, pellagra niacin.

Explanation:
Ernst Haeckel, a German zoologist, coined the term 'ecology' (Ökologie) in 1866, derived from Greek 'oikos' (house) and 'logos' (study), meaning the study of organisms in relation to their environment. Darwin contributed evolution, Mendel genetics, Hooke cell theory. Ecology encompasses interactions between organisms and their abiotic and biotic environment.