Plant Characteristics
What does lignin do?
Provides structures to plants to allow vertical growth
What are plant's major roles in a food chain?
The produce the energy for all the other organisms
What is the difference between an epidemic vs a pandemic?
-Epidemic is contained to a smaller geographic area
-Pandemic is global
Does meiosis or Mitosis produce identical copies?
Mitosis
Capital letters
Which plant type is the only one to produce fruit?
Angiosperms
What are the 3 main things all plants provide?
food, shelter, oxygen
What are the 2 ways that viruses store information?
RNA and DNA
What is an allel
Alternative form of a gene
What is a phenotype?
What you physically see
What are the 5 major groups of plants
green algae
nonvascular plants
seedless vascular plants
gymnosperms
angiosperms
Why are plants key to fighting soil erosion?
their roots hold dirt together
How do viruses affect human welfare?
-Kill livestock
-Infect humans
What is DNA
a molecule that contains genetic instructions for
producing proteins (or heritable traits)
What is a Homozygous trait vs a Hterozygous trait
Homozygous- either both allels are dominate or both are recesive (ex. OO or oo)
Heterozygous- one resezive and one dominate trait. (ex. Oo)
What are some ways plants are pollinated?
Wind animals, wind, water
How do plants fight the global warming crisis?
By taking up large amounts of CO2 and storing it in their biomass
How can viruses be important to an ecosystem?
Influencing host population sizes
What is the diffrences between a zygote and a gamete?
A zygote is diploid and gamete is haploid. Zygote is a fertilized gamete
What is independent assort ment
Allels of non homologous chromosomes move indipendently of another into gametes
What are the 2 vascular tissues and what do they carry?
Xylem- water, nitrogen, and phosphorus from roots to photosynthetic cells
Phloem- carbohydrates from photosynthetic cells to roots
What is transpiration?
Slow release of water through plant stomata into the atmosphere
What are some ways humans combat infections?
Vaccines, Host antibodies, antiviral drugs
What is the law of segregation
What is crossing over
Swapping of homologous chromosome segments