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- Which of the following statement(s) is/are TRUE? a. yeasts are unicellular fungi b. molds and mushrooms are filamentous fungi. The filaments are chains of cells called "hyphae" C. most protozoa are unicellular, animal-like members of Domain Archaea, many of which are motile and lack cell walls d. algae have historically been described as "plant-like" protists because they contain chloroplasts and cell walls e. organisms which make chlorophyll a can perform oxygenic photosynthesis f. all organisms which make chlorophyll a have chloroplasts g. Nostoc, algae and plants all make chlorophyll a and all have chloroplasts h. Nostoc, algae and plants have mitochondria which evolved from primitive endosymbiotic bacteria i. Photoautotrophs perform photosynthesis and chemoheterotrophs require pre-formed organic molecules as a source of carbon and energy j. Cyanobacteria, algae and plants are photoautotrophs. Fungi, protozoa and animals are chemoheterotrophs k. Most bacteria, all fungi, all algae…How can scientists determine that multicellularity arose more than once in different lineages? Select one: a. Scientists do not know b. Bacteria live as multicellular groups called biofilms c. Animals are more closely related to single-celled eukaryotes than to fungi d. Fungi can produce multicellular structuresWhich of the following is NOT true about the Charophycean green algae? a. They generally have plasmodesmata. b. They are freshwater algae. c. They produce motile sperm. d. The generally have gametangia. e. They generally have phragmoplasts. part ii Molecular phylogenies provide strong support for a sister group relationship between the ______________________and land plants. a. Zygnematales b. Klebsormidiales c. Charales d. Chlorokybales e. Coleochaetales
- You have discovered a photosynthetic protist that lives in fairly deep water (for example, 250 m deep). To which of the following groups should this organism be classified? A. diatoms B. green algae C. red algae D. cercozoanWhich of the following is not true about green algae? A. They are a morphologically diverse group B. They are the closest living relatives of land plants C. The group includes the most recent common ancestor and all the descendants D. They share several morphological similarities with land plantsWhich of the following protist exhibit the discoid type of mitochondrial cristae? A. trypanosoms B. diatoms C. oomycete D. brown algae
- Which of the following is NOT true of protists? Select one: a. Some are unicellular. b. They may be photosynthetic. c. They are usually aerobic, though some are not. d. They may have cell walls. e. They may be prokaryotic.Which of the following statements is the MOST compelling argument that fungi are more closely related to animals than plants? A. Plants have chloroplasts whereas fungi and animals cells do not. B. Plants fix carbon dioxide from the air; fungi and animals use pre-existing organic molecules. C. The DNA sequences of ribosomal RNA of fungi share more homology with ribosomal RNA from animals than plants. D. Both animal and fungal cells are eukaryotic.Why is the classification of protists based on DNA sequences considered useful? a. Because only protists have DNA b. Because genetic sequences have confirmed the traditional categories of protists c. Because DNA reveals evolutionary relationships, even among organisms that look different d. All of the above are correct.
- Fungi are not classified as Plants primarily because they: a. are prokaryotes b. need high moisture c. are chemoheterotrophic d. reproduce sexuallyCompare the phylogenetic tree of protists with the secondary endosymbiosis theory which proposes how photosynthetic protists evolved. Are both reconcilable? Explain.In the Latin name Canis lupis , the "Canis" is the name of the corresponding: a. Species c. Genus 1. b. Family d. Wolf only 2. The most primitive type of bacteria, which can live in extreme environments belong to the kingdom: a. Eubacteria c. Protista b. Archaebacteria d. Animalia Kingdom Fungi and Kingdom Animalia have which of the following in common a. both have eukaryotic cells b. both reproduce sexually c. both reproduce asexually d. Neither are heterotrophic 3.