Answer:
Early land animals had both lungs AND gills, and their bodies consisted of few hard parts. Meaning they lacked things like an exoskeleton for instance. Animals today have either lungs OR gills and many have protecting hard parts of their bodies.
Explanation:
The green house effect refers to gases trapping the heat energy reflected from earth’s surface.
gases trapping heat energy reflected from the earth's surface.
<u>Explanation:</u>
It is the greenhouse effect that made earth a planet that supports life. if there was no green house effect the earth would have been too cold to live on. Sunlight contains rays like UV and infrared.
UV rays being harmful are blocked by the ozone layer in the stratosphere. Infrared rays that enter the earth’s atmosphere are trapped by the greenhouse gases like carbon dioxide, water vapour, methane etc. the trapped infrared rays help in providing warmth.
i believe that it is chromosomes
Answer: This mode of inheritance is known as Incomplete Dominance
Explanation:
Incomplete dominance occurs when a cross between two contrasting alleles (such as Type A and B) produces a heterozygous phenotype different from the two parents.
Thus, both Type A and B are dominant over Type O blood
Answer:
No, If that was the case, then we should only be eating carbohydrates.