Lab 7- Fungi and Animals I 12. External sexual spores Traits 1. Part of Supergroup Opisthokonta 13. Septate hyphae 2. Have cell wall made of chitin 14. Coenocytic hyphae 3. Lack a cell wall 15. Nematocysts 16. Colloblasts 17. Gelatinous body 4. All multicellular 5. Have hyphae 6. Complete digestive tract 7. Gastrovascular cavity 18. Symbiotic fungus and algae 19. Eight rows of ctenes 20. Animals that lack symmetry 8. Animal that has true tissues 9. Animal that lacks true tissues 10. Reproduces via asexual fragmentation 11. Spore-bearing structures 21. Polyp and medusa stages 22. Conidia spores 23. Diploblastic Traits Таха 1 2 4 | 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Outgroup Phylum Zygomycota Phylum Ascomycota Phylum Basidiomycota Lichens Phylum Porifera Phylum Cnidaria Phylum Ctenophora Labels: Kingdom Fungi; Kingdom Animalia; Parazoa; Eumetazoa |
Evolution
The history and science of origin and evolution comprise two events, the beginning of life and expansion of life. Our earth originated about 4.5 billion years ago. The term evolution is derived from two Latin words and means the act of unfolding or unrolling. English philosopher Herbert Spencer first used it. Evolution is defined as the change in heritable traits of biological populations over successive generations. These traits are the manifestations of genes that are passed down from parent to offspring during reproduction.
Cladistics
Cladistics is a technique in the classification of organisms, where they are grouped into different clades. The proof for the relationships that are hypothesized is based on the shared derived characteristics known as synapomorphies. These characteristics do not exist in many of the distant ancestors and groups. The common ancestor along with its descendants is considered to be a part of the clade. The rate of closeness is directly proportional to the cladistic grouping and is useful in analyzing the evolutionary mechanism.
Outgroups
Outgroups are significant in studying cladistics or phylogenetics (that describe the evolutionary relationship between different organisms). Further, it is also important to understand the differences and similarities between different organisms.
Taxonomy
It is the branch of biology that works with the identification of organisms at first, then naming, and classification of them into phenetic or phylogenetic groups (a classification system). In other words, it is the scientific study of biological diversity and a part of systematic biology.
Phylogenetics
Phylogenetics is the scientific study of how various groups of organisms are related at the evolutionary level. It finds the relationship between various organisms based on their evolutionary similarities and differences. It is a part of the taxonomy. Although the taxonomic study is not only concerned about phylogeny but taxonomic studies are also concerned about the classification and nomenclature of the different individuals from different taxon.
complete the chart and cladogram. Thank you!
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