Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

50 Cards in this Set

  • Front
  • Back
1. In __, the congestion of the lung is due to the inability of the alveolar epithelial cells to regulate salt concentrations. Its inheritance pattern is ___.
Cystic fibrosis, autosomal recessive
Individuals who are _ for the sickle gene are more resistant to ___.
Heterozygous, malaria
___ and ___ are classified as sequential hermaphroditism
Protandry, protogyny
In the good partner mate choice theory, the females choose a good looking partner in search for __ and ___.
Healthy mates, good genes
The giant clams are known to be hermaphrodites, as they release both ___ and ___.
Sperm and eggs
The shift in _ ratio in the ___ mating system is demonstrated by the example of jacana.
Sex-operational, polyandrous
Attributing human motivation, intention, and values to other biological organisms and ___ objects is known as ___.
Inanimate, anthromorphism
The European common ______ practice brood ______.
Cuckoos, parasitism
The sexual ______ of the horns of the male ibexes is an extraordinary example of _______.
Dimorphism, sexual selection
The suicidal mating behavior is found in the male ____ as a way to prolong its _____.
Red back spider, sperm transfer
The four basic types of building blocks are: ______, _____, _____, and _____.
Monosaccharides, amino acids, nucleotides, and fatty acids
In the past 50 years, a ______ system has been developed to raise cattle in confinement and to feed them with _____.
Feedlot, corn
The bacteria reside on the human body is known as the _____, they are known as ______.
Normal flora, commensalists
The genetic materials of viruses could be either ______ or ______.
Antigenic ______ are major changes in the viral genes due to ______ between different viral strains.
Shifts, recombination
The last major global outbreak of influenza, known as a _____, took place in ______.
Pandemic, 1918
The world’s lowest life expectancy is found in the nation of ______ with a life expectancy of ______.
Zambia, 37
During energy metabolism in the presence of ______, highly reactive molecules known as ______ are produced.
Oxygen, free radicals
In a eusocial society, the workers are ______ females and ______ to each other.
Sterile, sisters
In an ecosystem, organisms exist in a stage of _____ with a balance flow of ______.
Equilibrium, energy
Plants are considered to be the ______ in an ecosystem, because they convert solar energy into chemical energy in a biochemical process known as ______.
Producers, photosynthesis
It is the role of the ______ to capture ______ for their survival by degrading biological waste and dead organisms.
Decomposers, energy
Coral reef is only found in clear tropical sea, because of their ______ relationship with ______.
Symbiotic, algae
Corals secret a hard ______ that is composed of ______.
Skeleton, calcium carbonate
Corals ______ at night using their _____in their tentacles.
Filter feed, stinging cells
Parrot fish graze on ______ by biting off ______ with their powerful jaws.
Algae, corals
In the Australian Great Barrier Reef, the ______ starfish infestations were caused by the runoff of ______.
Crown-of-Thorn, nitrogen fertilizer
Organisms that live in extreme environments are known as ______; they below to a group of organisms known as ______.
Extremophiles, archaebacteria
Organisms that thrive in high temperature are known as ______, and in low temperature are known as ______.
Thermophiles, psychrophiles
Organisms that thrive in an acidic environment are known as ______, and in high alkaline condition are known as ______.
Acidophiles, alkaliphiles
Organisms that live in the bottom of the ocean must able to withstand high _______; they are known as ______.
Hydrostatic pressure, piezophiles
Plants use sunlight to convert ______ and ______ into carbohydrates.
Carbon dioxide, water
Organisms that undergo photosynthesis are known as ______; they obtain their carbon source from ______.
Photoautotrophs, carbon dioxide
Hot vent producers are ______; they derive their energy from ______.
Chemoautotrophs, hydrogen sulfide
Methane that is released from the seabed forms the source of ______ for the Archaebacteria in the ______.
Energy, cold seep
Water is a stable ______ molecule, making it an excellent ______.
Polar, ionizing agent
Most biological molecules can be dissolved in ______, which provides an excellent medium for chemical reactions to occur.
Martian surface shows geological features of ancient rivers, ______, and ______ that have gone dry.
Lakes, oceans
Mars Twin Rover Expedition has discovered Martian rocks with ______ layers that can only be formed in the presence of ______.
Sedimentary, Water
Europa is one of the four moons of ______ discovered by ______ in 1610.
Jupiter, Galileo
Signs of microorganisms were revealed in a sub-glacial lake, known as ______ in the ______.
Lake Vostok, Antartica
The Milky Way Galaxy was formed 13.6 ______ years ago and has 200 ______ stars.
Billion, billion
The Universe was born 13.7 ______ years ago and organized into 10 ______ galaxies which form clusters and superclusters.
Billion, billion
The satellite known as ______ was launched in 2001 to survey the cosmic ______ background radiation.
W-MAP, microwave
The results of the W-MAP survey have provided a map to determine the age of the ______ to be ______ billion years.
Universe, 13.7
The universe expanded a trillion fold in a process known as ______ before forming the stable ______ atoms.
Inflation, hydrogen
Stars are composed mostly of ______, and they obtain their energy to glow by the fusion of ______ atoms to form helium.
Hydrogen, hydorgen
Our sun composed of ______% hydrogen and ______% helium.
70%, 30%
Nuclear fusion of a star stops when it accumulates too much ______. It dies by initiating a ______ explosion.
Iron, super nova
All the elements found in ______ are formed in the ______.
Periodic table, stars