Final Exam Flashcards
(25 cards)
What are bryophytes
Non vascular plants. Ex mosses. No roots, stems, leaves
What are pteridophytes?
Vascular plants, seedless. Ferns
What are gymnosperms ?
Vascular plants with naked seeds. Conifers
What are angiosperms?
Vascular plants with covered seeds. Ex flowering plants
What is xylem?
Vascular tissue moving water up
What is phloem?
Vascular tissue moving nutrients up and down
What are mycorrhiza ?
Fungus and roots working in a symbiotic relationship
What are hyphae?
It’s a thread like tissue from a fungus
What are lichen
Fungus and algae working in a symbiotic relationship
What are metazoans
Animals
What are marsupials
Pouched mammals
What are monotremes
Egg laying mammals
What are eutherians
Placental mammals
What is a genotype?
It’s all the genes of an organism
What is the phenotype?
It’s the physical expression of an allele
What is heterozygous?
2 different alleles in a gene
What is homozygous ?
2 equals alleles in a gene
Why is the amniotic egg such an important evolutionary step?
Because it allowed animals to lay eggs on land
State 2 animals type that use amniotic egg
Birds and reptiles
What is commensalism?
2 species interact, 1 is benefited and 1 is not harmed or benefited
What is mutualism ?
2 species interact and both are benefited
What is infraspecific relations ?
Competition between 2 members of the same species
What is inter specific relation ?
Competition between 2 members of different species
3 threats to ocean
Plastic pollution, indiscriminate fishing and bottom trawling fishing
