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- What are the different Pre-zygotic and Post-Zygotic Reproductive Barriers?
- What is the meaning of systematics and why we use it?
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- How are forams useful for researchers to study changes in ocean temperature over time? What are mixotrophs? What is endosymbiosis and why is it consider to be the source of eukaryotic diversity? Why are we confident this only happens once? What is primary and secondary endosymbiosis? Was there another endosymbiotic event that led to a third lineage? What group of organisms possesses a structure that might suggest this possibility and what is the structure? Why is the structure question different from the ancestor of other plastids? What are diatom blooms and why are they of particular interest to climate change scientists?What is endosymbiosis and why is it considered to be the source of eukaryotic diversity? Why are we confident this only happened once? What is primary and secondary endosymbiosis? Was there another endosymbiotic event that led to a third lineage? What group of organisms possesses a structure that might suggest this possibility and what is the structure? Why is the structure in question different from the ancestor of other plastids?What is old systematics?
- What is direct development? Is there a larval stage in planarias?Contrast the field of systematics with that of taxonomy and phylogenetics. How is systematics defined? How is taxonomy and phylogenetics similar or different from systematics? How did the systematic placement of Calostoma change our understanding of this taxon, in regards to the study Phylogeny of Calostoma, the gelatinous-stalked puffball, based on nuclear and mitochondrial ribosomal DNA sequences by Hughey and colleagues?Differentiate between Phylum Porifera and Clade Eumetazoa. A)Poriferans are only haploid during their life cycle, whereas eumetazoans are diploid with haploid sex cells at various stages of their life cycle. B)Poriferans have mobile gametes while eumetazoans do not. C)Poriferans invert during their development whereas eumetazoans do not invert at any time during their life cycle. D)The various cells types of Poriferans do not form permanent associations into true tissues during their life cycle, whereas Eumetazoa possess true, stable tissues. E)Poriferans have only one kind of cell during their life cycle whereas Eumetazoa have many kinds of cells throughout their life cycle.
- Why do some biologists describe the mitochondria of diplomonads and parabasalids as “highly reduced”?for the organism Polyommatus eleniae Use this link to answer the following: https://www.iucnredlist.org/species/173273/6983441 Name your family and provide a description of the family including: Which Phylum does this family belong to? How many members are there in this family? What is the geographic distribution of the family? What’s special about them - list up to three unique characters found in that family.What is the sister group to Innovatiocaris maotianshanensis? The phylogeny shows that some named groups are not monophyletic. For each of the following groups, state whether it is monophyletic: Hurdia - YES OR NO Hurdidae- YES OR NO Lyrarapax- YES OR NO Amplectobelua- YES OR NO Amplectobeluidae- YES OR NO Anomalocaris- YES OR NO