1
ZOOLOGY 250 Lab 2: Protists and
Porifera 2025/2026 Exam Questions and
Answers 100% Guaranteed Success |
Already Rated A+
Protists - 🧠 ANSWER ✔✔An artificial array of single-cells or colonial eukaryote
organisms.
Porifera - 🧠 ANSWER ✔✔Sponges. One of the most primitive forms of living
multicellular organisms.
Choanocytes - 🧠 ANSWER ✔✔Specialized filtering/pumping cells in porifera that
help them move water through their bodies and feed.
Mesohyl - 🧠 ANSWER ✔✔The skeletal support system in sponges. Includes
spicules and sometimes spongin.
Ostia - 🧠 ANSWER ✔✔Incurrent openings in sponges.
Oscula - 🧠 ANSWER ✔✔Excurrent openings in sponges.
1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 2
Numerical Aperture - 🧠 ANSWER ✔✔The product of the refractive index of the
medium between the front lens of the objective and the object being examines and
the sine of half the angle formed by the rays of the light entering the front lens
from a point on the object. Helps to determine resolving power of a microscope.
Phytoflagellates - 🧠 ANSWER ✔✔Plant flagellates. Group of convenience for
protists. Includes phylums Dinoflagellata, Euglenida, and Chlorophyta.
Zooflagellates - 🧠 ANSWER ✔✔Animal flagellates. Group of convenience for
protists. Includes phylums Kinetoplastida and Diplomonadida.
Sarcodines - 🧠 ANSWER ✔✔Amoeboid protozoans. Use pseudopodia for
locomotion and feeding. Group of convenience for protists. Includes phylums
Amoebozoa and Granuloreticulosa.
Sporozoans - 🧠 ANSWER ✔✔Spore-formers. Group of convenience for protists.
Includes phylum Apicomplexa.
Ciliata - 🧠 ANSWER ✔✔Group of convenience for protists. Includes phylum
Ciliophora.
Euglenida - 🧠 ANSWER ✔✔Phylum of protists. Euglenids are among the best
known and commonest phytoflagellates in freshwater.
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
ZOOLOGY 250 Lab 2: Protists and
Porifera 2025/2026 Exam Questions and
Answers 100% Guaranteed Success |
Already Rated A+
Protists - 🧠 ANSWER ✔✔An artificial array of single-cells or colonial eukaryote
organisms.
Porifera - 🧠 ANSWER ✔✔Sponges. One of the most primitive forms of living
multicellular organisms.
Choanocytes - 🧠 ANSWER ✔✔Specialized filtering/pumping cells in porifera that
help them move water through their bodies and feed.
Mesohyl - 🧠 ANSWER ✔✔The skeletal support system in sponges. Includes
spicules and sometimes spongin.
Ostia - 🧠 ANSWER ✔✔Incurrent openings in sponges.
Oscula - 🧠 ANSWER ✔✔Excurrent openings in sponges.
1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 2
Numerical Aperture - 🧠 ANSWER ✔✔The product of the refractive index of the
medium between the front lens of the objective and the object being examines and
the sine of half the angle formed by the rays of the light entering the front lens
from a point on the object. Helps to determine resolving power of a microscope.
Phytoflagellates - 🧠 ANSWER ✔✔Plant flagellates. Group of convenience for
protists. Includes phylums Dinoflagellata, Euglenida, and Chlorophyta.
Zooflagellates - 🧠 ANSWER ✔✔Animal flagellates. Group of convenience for
protists. Includes phylums Kinetoplastida and Diplomonadida.
Sarcodines - 🧠 ANSWER ✔✔Amoeboid protozoans. Use pseudopodia for
locomotion and feeding. Group of convenience for protists. Includes phylums
Amoebozoa and Granuloreticulosa.
Sporozoans - 🧠 ANSWER ✔✔Spore-formers. Group of convenience for protists.
Includes phylum Apicomplexa.
Ciliata - 🧠 ANSWER ✔✔Group of convenience for protists. Includes phylum
Ciliophora.
Euglenida - 🧠 ANSWER ✔✔Phylum of protists. Euglenids are among the best
known and commonest phytoflagellates in freshwater.
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
