Select all the offspring phenotypes that could be produced from a BbEE x bbee cross (shown

above).

black fur, red eyes

black fur, black eyes

white fur, black eyes

white fur, red eyes

RE

LA

HELLER

T

EST

HULLE

ELLE

L

aila

EL

ANSWER : B & C

B: black fur ,black eyes

C:white fur , black eyes

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

Why does sexual reproduction result in more genetic variation in a species