Arctic´s vanishing sea ice Flashcards
Gene pool
the number of different genes available to a species. The more genes available , the greater likelihood that the species will be able to resist disease and survive
hybrids
cross-breeds, things made from two different sources
To accelerate
to speed up
decline of
decrease of
diminishing
slowly getting smaller or weaker
grizzly bear
a large fierce brown bear that lives in N America and parts of Russia
distinctive
What makes them different from other species and special
Cross
a hybrid
Bowhead
a species of whale
Subsequently
happening after something else
captive
Locked up, having no freedom
discrete
separate
Mammals
spendýr
Barrier
something that keeps things separate or apart, obstacle
matings
having sex and producing babies
viable
able to survive
offspring
animal babies
enhanced
improved
evolution
The way in which living things change and develop over millions of years
the extent of
how many times it happens
implications
future effects of something happening now
to exhibit
to show
To roam
to travel across large distances without any particular plan, to wander
vast
huge
