No, sometimes recessive genes come from extended family, Hope it helps!
Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
That would be the mitochondria. They produce the energy needed for activities that occur in the cell, thus its being called the "powerhouse of the cell"
They both have 3 coelom usually develop larval forms known as trochophores<span />
Answer:
The correct answer is 3 countering the affect of declining CO2 on photosynthesis.
Explanation:
Carbon di oxide is an important reactant of photosynthesis.The atmospheric CO2 label regulates the rate of photosynthesis.
When the label of atmospheric CO2 decrease the photosynthesis rate also declines.
So to countering the effect of declining CO2 on phosynthesis plants increase the number of stomata in their leaves.
