Answer:
There are many types of matter because one thing or substance can change its structure depending on its environment such as how much pressure it's under and what kind of temperature surrounds it.
which is more likely to be the cause of down syndrome the egg or the sperm?
The egg
Answer:
An introduced species, alien species, exotic species, adventive species, immigrant species, ... Non-native species can have various effects on the local ecosystem. ... Some species have been introduced intentionally to combat pests
Explanation:
Answer:
A unicorn is a mythical creature that resembles a horse with a horn on its forehead. The unicorn could use its horn for self-defense. Some unicorns might also have wings so they could help the unicorn survive by escaping predators quickly. W could be for a winged unicorn (dominant) and w would be a unicorn without wings (recessive). L could be for a long unicorn horn, and l could be for a short horn. C would be a lighter fur color and c would be a darker fur color. That's all I could come up with for now :)
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
