BIO 114 MIDTERM 2 (Answered) 93 Questions and
Correct Answers, 100% Correct. Updated Fall
2024/2025.
There is estimated to be ___ non bacterial species
8.7 Million
____ named species known to science
1.2 million
What are the three main categories of life?
Eucarya, Archaea and Bacteria
Phylogenic trees show what?
Better understanding of evolutionary relationships
The branch tips on a phylogenic tree are what?
living species
A split in the phylogenic tree or point is what?
where a species shares a common ancestor
The length of a line in a phylogenic tree represents what?
time
Angiosperms make up how much of Plant Diversity?
90% or about 300,000 species
Gymnosperms make up how much of plant diversity?
.025% or 1,000 species
Mosses and relatives make up how much of plant diversity
6% or about 20,000
Ferns and relatives make up how much of plant diversity
4% or about 20,000
Non pollen plants require lots of what?
water so that the sperm can swim
Angiosperms is a
, plant that produces flowers that develope into enclosed fruits with seeds inside
Top family in the Angiosperm species
Asteraceae (daisy family) 23,600
Second family in Angiosperms
Orchidacea (Orchid family) 22,075
3rd family in Angiosperms
Fabaceae (pea and beans) 19400
4th Family in Angiosperms
Rubiaceae (Coffee family) 13150
5th family in angiosperms
Poacea (grass family) 10035
What does the stamen consist of?
anther and filament
What does the pistil consist of?
Stigma, style, ovary
four whorls of a flower
sepals, petals, stamens, pistils
Inferior ovary
ovary is below receptacle
Superior ovary
ovary is above receptacle
Inflorenscence
the specific arrangement of flowers
ALL species in the Asteraceae family produce ____ inflorescence
head
Head inflorescence
flowers within a main flower that has their own production organs
Pistillate flowers have
only the pistol, no stamens
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