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WorksheetsCh. 8 & 9 (Protists & Cnidarians)
Total questions: 27
Worksheet time: 15mins
Some protists are ____ because they are ____ (2 answers)
Plant-like, Autotrophic
Plant-like, Heterotrohic
Animal-like, Heterotrophic
Animal-like, Autotrophic
Protozoa reprodue ____
Sexually
Sexually and asexually
Asexually
The methods protozoa use to reproduce are:
Budding, schizogony, sexual methods
Fission, budding
Binary fission, budding, multiple fission, schizogony, sexual methods
Binary fission, multipe fission
How do protozoa feed? (2 answers)
Ingest through endocytosis
Absorb nutrients through endocytosis
Ingest in the cytopharynx
Absorb nutrients in the cytopharynx
Food vacuoles ____
Transport food
Digest food
Digest and transport food
In a parasitic relationship, which organism benefits?
The parasite
The host
Both
How do organisms interact in a commensalistic relationship?
Both benefit
One benefits, other isn't harmed
One benefits and harms the other
Neither benefit
Of the supergroup Excavata, the subgroup Fornicata has:
Flagellated and photosynthetic OR flagellated heterotrophs
Up to 1,000 flagella, endosymbionts of animals, feed by phagocytosis
Flagella, a feeding groove, one nucleus
Of the supergroup Excavata, the subgroup Parabasalia has:
Up to 1,000 flagella, endosymbionts of animals, feed by phagocytosis
Flagella, a feeding groove, one nucleus
Flagellated and photosynthetic OR flagellated heterotrophs
Of the supergroup Excavata, the subgroup Eugnelozoa has:
Up to 1,000 flagella, endosymbionts of animals, feed by phagocytosis
Flagellated and photosynthetic OR flagellated heterotrophs
Flagella, a feeding groove, one nucleus
The supergroup Amoebozoa (2 answers)
All are heterotrophic and move by cytoplasmic pseudopods.
All are autotrophic and move with flagella.
All move by cilia.
Subgroup: Tubulinea. Other subgroups are parasitic and cause illnesses.
The supergroup Rhizaria (2 answers)
All marine organisms.
Subgroup: Foraminifera. Subgroup: Radiolaria
Subgroup: Tubulinea
Move with pseudopods
Cnidarians have ____
Bilateral symmetry
Radial symmetry
Asymmetry
Cnidarians tissue-level of organization:
Triploblastic (Ectoderm, Mesoderm, Endoderm)
Diploblastic (Ectoderm & Endoderm)
Cnidarians have:
Nerve cells organized into a nerve net, cnidocytes (defense, feeding, & attachment)
A gastrovascular cavity, nerve cells organized into a nerve net
A gastrovascular cavity, nerve cells organized into a nerve net, cnidocytes (defense, feeding, & attachment)
A gastrovascular cavity, cnidocytes (defense, feeding, & attachment)
Many cnidarians possess:
2 body forms (Polyp, Medusa)
1 body form (Polyp)
1 body form (Medusa)
Polyps characteristics:
Dioecious & free swimming, inverted bowl shape, tentacles hang from free margins, swims with gentle pulsations. External fertilization, planula larvae.
Asexual & sessile, cylindrical, food-gathering tentacles around mouth. Budding produces miniature medusae.
Medusa characteristics:
Dioecious & free swimming, inverted bowl shape, tentacles hang from free margins, swims with gentle pulsations. External fertilization, planula larvae.
Asexual & sessile, cylindrical, food-gathering tentacles around mouth. Budding produces miniature medusae.
Organisms of the SuperGroup Excavata:
Giardia, Trichomona, Trypanosoma, Euglena
Dinoflagellate, Plasmodium, Toxoplasma
Heliozoan
Amoeba
Organisms of the SuperGroup Chromalveolata:
Giardia, Trichomona, Trypanasoma, Euglena
Dinoflagellate, Plasmodium, Paramecium, Toxoplasma
Heliozoan
Amoeba
Subgroups of the supergroup Excavata:
Alveolata
Tubulinea
Euglenozoa, Parabasalia, Fornicata
Radiolaria, Formanifera
Subgroups of the supergroup Amoebozoa:
Alveolata
Radiolaria, Formanifera
Fornicata, Euglenozoa, Parabasalia
Tubulinea
Organisms of the Subgroup Alveolata:
Dinoflagellate, Plasmodium, Paramecium,, Toxoplasma
Trypanosoma, Euglena
Organisms of the Subgroup Euglenozoa:
Dinoflagellate, Plasmodium, Paramecium, Toxoplasma
Euglena, Trypanosoma
Organisms of the Subgroup Fornicata:
Giardia
Euglena, Trypanosoma
Match the organisms to the subgroup:
Parabasalia: Heliozoan
Radiolaria: Trichomona
Tubulinea: Amoeba
Parabasalia: Plasmodium
Radiolaria: Dinoflagellate
Tubulinea: Euglena
Parabasalia: Trichomona
Radiolaria: Heliozoan
Tubulinea: Amoeba
How do sponges feed?
The flagella takes in food for the choanocytes.
Filter feeding. Food gets caught in choanocytes, a food vacuole digests. Amoebocytes gather and distribute nutrients to cells.
