Tài liệu, ebook Khoa Học Tự Nhiên

6. Describe the features of annelids and distinguish among the three classes. 7. List the characteristics of nematodes that distinguish them from other wormlike animals. 8. List three features that account for the success of arthropods. Define and distinguish among the four major arthropod lineages. Describe the developmental similarities betwe...

109 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1093 | Lượt tải: 0

List the characteristics that combine to define animals. Summarize key events of the Paleozoic, Mesozoic, and Cenozoic eras. Distinguish between the following pairs or sets of terms: radial and bilateral symmetry; diploblastic and triploblastic; spiral and radial cleavage; determinate and indeterminate cleavage; acoelomate, pseudocoelomate, and c...

33 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1230 | Lượt tải: 0

Describe the life cycles of Rhizopus stolonifer and Neurospora crassa. Distinguish among zygomycetes, ascomycetes, and basidiomycetes. Describe some of the roles of fungi in ecosystems, lichens, animal-fungi mutualistic symbioses, food production, and medicine and as pathogens.

45 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1126 | Lượt tải: 0

Identify and describe the function of the following floral structures: sepals, petals, stamens, carpels, filament, anther, stigma, style, ovary, and ovule. Explain how fruits may be adapted to disperse seeds. Diagram the generalized life cycle of an angiosperm; indicate which structures are part of the gametophyte generation and which are part of...

47 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1111 | Lượt tải: 0

Explain how vascular plants differ from bryophytes. Distinguish between the following pairs of terms: homosporous and heterosporous. Diagram and label the life cycle of a seedless vascular plant.

43 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1042 | Lượt tải: 0

Explain why the kingdom Protista is no longer considered a legitimate taxon. Explain the process of endosymbiosis and state what living organisms are likely relatives of mitochondria and plastids. Distinguish between endosymbiosis and secondary endosymbiosis. Name the five supergroups, list their key characteristics, and describe some representa...

56 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1101 | Lượt tải: 0

Distinguish between the cell walls of gram-positive and gram-negative bacteria. State the function of the following features: capsule, fimbriae, sex pilus, nucleoid, plasmid, and endospore. Explain how R plasmids confer antibiotic resistance on bacteria. Explain the importance of / uses for prokaryotes.

52 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1059 | Lượt tải: 0

Explain the justification for taxonomy based on a PhyloCode. Explain the importance of distinguishing between homology and analogy. Distinguish between the following terms: monophyletic, paraphyletic, and polyphyletic groups; shared ancestral and shared derived characters; orthologous and paralogous genes. Define horizontal gene transfer and exp...

34 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1121 | Lượt tải: 0

Describe and suggest evidence for the major events in the history of life on Earth from Earth’s origin to 2 billion years ago. Briefly describe the Cambrian explosion. Explain how continental drift led to Australia’s unique flora and fauna. Describe the mass extinctions that ended the Permian and Cretaceous periods. Explain the function of Hox ...

64 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1075 | Lượt tải: 0

Define and discuss the limitations of the four species concepts. Describe and provide examples of prezygotic and postzygotic reproductive barriers. Distinguish between and provide examples of allopatric and sympatric speciation. Explain how polyploidy can cause reproductive isolation. Define the term hybrid zone and describe three outcomes for ...

39 trang | Chia sẻ: nguyenlam99 | Ngày: 11/01/2019 | Lượt xem: 1081 | Lượt tải: 0