The first known bird fossil date to the mesozoic era of time.
Explanation:
- The first known bird fossil is Archaeopteryx.
- Archaeopteryx were not exactly like modern birds and are called dinosaur like birds..
- Carbon dating suggest that these birds evolved during the jurassic period of mesozoic era.
- These are considered as the only birds of that era.
- Ancestors of modern birds began to evolve during cretaceous period and kept on evolving through Cenozoic era.
Answer:
MEIOSIS is that cell process that only occurs in organisms that reproduce sexually.
Explanation:
Eukaryotic organisms are the type of organisms that have have nucleus and other membrane bound organelles. In complex eukaryotic organisms, sexual reproduction takes place. Through the process of meiosis, the production of gamete or reproductive cells i.e the sperm or egg takes place.
Meiosis produces four daughter cell from a single parent cell. each of the daughter cell is haploid. haploid means containing half the number of the chromosomes as the original parent cell.
Answer:
The correct answer would be I and III.
The higher you go, the colder the air gets, which also means that the higher you go, the lower the air temperature becomes.
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Answer:
the lightbulb will turn on
Explanation:
because in the circuit electricity is flowing from the battery through the wire into the lightbulb, giving it enough energy to turn on.
Answer:
ask the question ❓ what is the question.
