Answer:
In primary succession newly exposed or newly formed rock is colonized by living things for the first time.In secondary succession an area previously occupied by living things is occupied by living things is distributed-disrupted-than recolonized following the disturbance
example is eruption of volcanoes, the big island of hawaii. As lava flows into the ocean,new rock is formed
Homozygous recessive: tt
Heterozygous: Tt
Cross:
t t
T Tt Tt
t tt tt
Thus, the expected outcome genotypic ratio is:
1 Tt : 1 tt
Answer:
In igneous rocks, the texture is determined by their cooling rate.
Explanation:
Bone in the upper arm. called humerus
It enters and or leaves it through two separate mechanisms. One is the Sodium potassium pump which works as a gatekeeper for sodium and potassium ions that go in and out of the cell. This is active transport. Another way how it enters/leaves cells is with the help of passive ion channels where they can cross without much difficulty.
