Plants and Animals

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Across
  1. 4. s a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments, predominantly the latter
  2. 8. are an informal group consisting of three divisions of non-vascular land plants (embryophytes): the liverworts, hornworts and mosses
  3. 9. are the most diverse group of land plants, with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species
  4. 11. the second-largest phylum of invertebrate animals after the Arthropoda
  5. 12. are animals that neither possess nor develop a vertebral column, derived from the notochord
  6. 16. are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments
  7. 17. are marked by seeds with a single cotyledon, parallel-veined leaves, scattered vascular bundles in the stem, the absence of a typical cambium, and an adventitious root system
  8. 19. form a large, diverse arthropod taxon which includes such animals as crabs, lobsters, crayfish, shrimps, prawns, krill, woodlice, and barnacles
  9. 20. are ectothermic, tetrapod vertebrates of the class Amphibia
  10. 21. are a major group of only marine animals. The name comes from the Greek word for "spiny skin"
  11. 22. is one of the two types of transport tissue in vascular plants, phloem being the other
  12. 23. are any members of the mammalian infraclass Marsupialia
Down
  1. 1. is an animal with a spinal cord surrounded by cartilage or bone.
  2. 2. are elongated metameric creatures with one pair of legs per body segment
  3. 3. are spiders , harvestmen , mites and ticks , and their relatives like scorpions that don't live in Michigan
  4. 5. are a group of vertebrate animals constituting the class Mammalia
  5. 6. also known as Acrogymnospermae, are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes
  6. 7. are tetrapod animals in the class Reptilia, a paraphyletic grouping comprising all amniotes except synapsids and birds
  7. 10. is the living tissue in vascular plants that transports the soluble organic compounds made during photosynthesis and known as photosynthates, in particular the sugar sucrose, to parts of the plant where needed
  8. 13. the members of the phylum Porifera, are a basal Metazoa clade as a sister of the Diploblasts is a condition of the blastula in which there are two primary germ layers: the ectoderm and endoderm
  9. 14. are a group of highly specialised egg-laying predatory mammals, containing the platypus and echidnas
  10. 15. are one of the two groups into which all the flowering plants or angiosperms were formerly divided
  11. 18. form a large group of plants that are defined as land plants that have lignified tissues for conducting water and minerals throughout the plant