This document discusses food chains in nature. It explains that plants like phytoplankton and algae are producers at the start of the food chain, obtaining energy through photosynthesis. Zooplankton and other organisms then consume the plants as primary consumers. Secondary consumers feed on the primary consumers, and in some ecosystems there are tertiary consumers that feed on both. Decomposer bacteria break down dead organisms, recycling nutrients. Each link in the food chain is important for the survival of the whole chain.
This document discusses using Pythagoras' theorem to solve a problem involving a right triangle with one angle of 45 degrees. It mentions that the previous example can be done in another way, and applies Pythagoras' theorem to triangle ABC to solve it.
This document discusses using Pythagoras' theorem to solve a problem involving a right triangle with one angle of 45 degrees. It mentions that the previous example can be done in another way, and applies Pythagoras' theorem to triangle ABC to solve it.
2. Evolucija (lat. Evolutio: razvoj) je
znanstvena teorija iz podruja
biologije
貼iva bia evoluiraju kroz procese:
-mutacije
-genetskog otklona
-prirodne selekcije
3. U svim kulturama pronalazimo
obja邸njenje o postanku svijeta, 転ivih
stvorenja i ljudi
Tradicionalne vjere obja邸njavaju
postanak kroz djelovanje Boga
Proces evolucije nije inkompatibilan
sa kr邸anskom vjerom
4. Charles Robert Darwin je utemeljitelj
moderne teorije o evoluciji
Od 19. st. Postoje dokazi o biolo邸koj
evoluciji
Pojavljuju se nove discipline:
-genetika
-etologija
-molekularna biologija
5. Evolucija ovjeka
Evolucija ovjeka je u biti evolucija
primata (razvoj roda Homo)
Rod Homo su:
-Homo habilis
-Homo erectus
-Neandertalac
-Homo sapiens
6. Homo habilis
Prva vrsta Homo
Razvila se prije 2-2.5 miliona godina
Primitivan nain 転ivota
7. Homo erectus
Rani pleistocen
Prije 1-1.5 milijuna godina
Zbog poveanja mozga klasifificran
kao nova vrsta Homo erectus
Primjerak pronaen u Indoneziji
8. Neandertalac
貼ivio prije 25000 u Europi
Naziv prema dolini Neanderal
Prilagoeni hladnim klimatskim
uvjetima
Krapinski ovjek
9. Homo sapiens
Jedina pre転ivljela vrsta roda Homo
Dana邸nji ovjek podvrsta Homo
sapiensa
Najuticajnija vrsta na planeti