The answer is A:it does not have a plasma membrane. if you need proof https://www.bing.com/search?q=does%20a%20virus%20have%20a%20plasma%20membrane&qs=n&form=QBRE&sp=-1&p... i did a simple search
Answer:
con·stant
/ˈkänstənt /
adjective
occurring continuously over a period of time.
"the pain is constant"
Similar:
continual
continuous
persistent
sustained
abiding
round-the-clock
ceaseless
unceasing
perpetual
incessant
never-ending
everlasting
eternal
endless
unending
unabating
nonstop
perennial
unbroken
uninterrupted
unrelieved
interminable
unremitting
relentless
unrelenting
without respite
sempiternal
steadfast
steady
resolute
determined
persevering
tenacious
dogged
unwavering
unflagging
unshaken
Opposite:
inconstant
fitful
noun
a situation or state of affairs that does not change.
"the condition of struggle remained a constant"
Similar:
unchanging factor
unchanging state of affairs
unchanging situation
Explanation:
Show differences between species/organisms
Answer:
Speciation occurs at terminal population groups
Explanation:
A ring species represents a group of organism that has moved beyond a geographic barrier to produce a ring shaped distribution. This population is contiguous and there exists no barrier to gene flow anywhere in the ring except at the terminal populations.
Speciation is demonstrated in the terminal population has become sympatric and it does not interbreed even if they are connected by chain of intergrading or interbreeding populations
Answer: A Solar Energy (The Sun)