Question

Questions 14-20

14. A zygote is always: 15. Pyrenoids are structures in some algae that provide for storage of: 16. Some unicellular algae have light-sensing organelles called: 17. Diatoms are economically and ecologically significant because they produce large amounts of: 18. Organisms with many nuclei but no divisions into individual cell (such as Physarum) are called: a. haploid b. diploid c. triploid d. none of these c. amino acids d. water a. starchb. glycoprotein a. bladders b. vacuoles c. eyespots d. pyrenoids a. carbon b. diatomaceous earth c. oxygen d. both (b) & (c) (e) all of these a. myxotrophs b. sporangiophores c. hyphae d. coenocytic 19. The large marine brown algae are classified in the phylum: a. chlorophyta b. rhodophytae phaeophyceaed. chromophya 20. Which one of these organism s can sometimes switch from autotrophic to heterotrophic nutrition? b.Sprirogyra c.Euglena d' Fucus a. Chlamydomonas

Answer 1

6) 14 → 14→ " A xygete io alio (b) dipleol 15> wa ter ta 18 (d) Coend 70→ (c) ealera