The covalent bond between the oxygen and hydrogen in water involves __________ sharing of electrons.
unequal
Hydrophilic molecules are __________ to water.
attractive
Hydrophobic molecules are __________ in water.
insoluble
The property of water that allows it to form hydrogen bonds with itself is known as __________.
cohesion
The phenomenon that allows insects like spiders to walk on water is called __________.
surface tension
Water has a high __________, allowing living organisms to maintain a stable temperature.
specific heat capacity
The __________ force that allows water to rise in plants is facilitated by adhesion and cohesion.
suction
Water molecules are __________ attracted to other polar substances due to their polarity.
attracted
A water molecule is polar due to the uneven distribution of __________.
electrons
The pH of pure water is __________.
7 (neutral)
Hydrophilic substances are __________ in the plasma of blood.
dissolved
Oxygen is considered __________ in blood as it binds to hemoglobin.
hydrophobic
The __________ of the water molecule causes it to act as a solvent for ionic and polar substances.
polarity
The structural formula for a nucleotide in DNA includes deoxyribose, a phosphate group, and a __________.
nitrogenous base
The two main types of nucleic acids are DNA and __________.
RNA
DNA has __________ strands, whereas RNA is single stranded.
double
The process by which DNA is copied is called __________.
DNA replication
The genetic code is described as __________ because the same sequences code for the same amino acids across different organisms.
universal
Prokaryotic cells do not have a __________, while eukaryotic cells do.
nucleus
The cell wall in plants is made of __________.
cellulose
In eukaryotic cells, the __________ is responsible for producing ATP through aerobic respiration.
mitochondrion
The __________ theory states that all organisms are made up of cells, all cells arise from pre-existing cells, and the cell is the basic unit of life.
cell
The term __________ describes how members of a species differ between each other due to genetic and environmental factors.
variation
Natural selection results in __________ traits becoming more common in a population over generations.
beneficial
The classification of organisms is based on __________, which can be morphological, biological, ecological, or cladistic.
common features
The __________ system of nomenclature uses Latin to give species a unique two-part name.
binomial
The __________ of an organism refers to the total number of chromosomes present in a cell.
karyotype
The __________ process of evolution refers to the gradual change of species over time due to natural selection.
theory
A species that is on the verge of extinction is considered __________.
endangered
Convergent evolution results in __________ structures that have similar functions but different evolutionary origins.
analogous
Biodiversity is defined as the __________ of life in ecosystems, including species and genetic diversity.
variety
The __________ index is a metric developed to measure the abundance of animal life.
Living Planet
The extinction of species is accelerated by __________ activities like deforestation and pollution.
human
The conservation method that focuses on preserving species in their natural habitat is known as __________ conservation.
in situ
Edge species are selected for conservation projects based on their _________ distinctiveness and extinction risk.
evolutionary
The practice of breeding endangered species in controlled environments is called __________ breeding.
captive