What flower structure develops into a seed after fertilization
What is an ovule
100
Int the modern system of classification, two organisms would be most closely related if they were classified in the same
What is species
100
The presence of gills in human embryos is considered evidence of
What is common ancestry
100
With respect to normal base pairing, when a molecule of DNA replicates, thymine will most likely pair with
What is adenine
200
the raw material used by green plants fro photosynthesis
What is carbon dioxide and water
200
the growing point at the tip of a root consists of an actively dividing tissue known as the
What is meristem
200
organisms are grouped into a five-kingdom classification system based on their structure and
What is evolutionary relationship
200
In an environment, barriers prevent an organism from entering other environments. This phenomenon illustrates the concept
What is geographic isolation
200
During DNA replication, the strands of a double stranded DNA molecule separate from each other when bonds are broken between their
What is nitrogenous bases
300
an important function of chlorophyll molecules during photosynthesis is
What is absorbing certain wavelengths of light energy
300
What process directly aids in the upward transport of water and minerals in the xylem tubes
What is transpiration
300
a group of organisms that can breed and produce fertile offspring is known as a
What is a species
300
In an experiment by Stanley Miller, the chemicals methane, hydrogen, ammonia and water vapor were subjected to a high-energy electric sparking device at high temperatures. This experiment was an attempt to
What is produce organic compounds or amino acids
300
The type of RNA that carries information from the nucleus of a cell to its cytoplasm
What is transfer RNA
400
light energy is converted into chemical energy of glucose
What is photosynthesis
400
In dissecting a flower in the laboratory, a student cut open a structure containing ovules. This structure was most likely part of the
What is pistil or carpel
400
An organism that obtains its nutrition from other organisms by digesting and absorbing organic compounds from rotting organic material
What is a fungi
400
The wing of a bat, arm of a man, and the flipper of a whale have similar internal structures. Even though these structures have diverse functions, their similarities suggest
What is development from a common ancestor
400
Transfer RNA molecules pick up amino acids which are free in the cytoplasm and carries them to
What is ribosomes
500
photosynthesis transforms molecules of water and carbon dioxide into molecules of
What is carbohydrates and oxygen
500
On vascular plants, the absorption of water from the soil into root hairs depends principally upon the presence of a
What is higher concentration of water in the soil than in the root hairs.
500
Organism A is eukaryotic, is unicellular, and lacks a cell wall. Organism B is eukaryotic, is multicellular, has a cell wall, and contains chloroplasts
What is organism A is in Protista and organism B is in Plantea
500
The constant change in the kinds and frequencies of genes in a population over a period of time is a modern definition of
What is evolution
500
A DNA molecule with the base sequence A-G-C-T-C-A was used as a template for the synthesis of a messenger RNA molecule. Which base sequence correctly represents the corresponding portion of this RNA molecule