Answer:
There are 2 types of worms: worms that eat at night (nocturnal) and worms that eat ... The birds eat during the day and seem to be eating ONLY the diurnal worms. The nocturnal ...
Answer:
A. 6 billion
Explanation:
The full question is:
As of the year 2000, the human population was approximately _______.
- A. 6 billion
- B. 3 billion
- C. 1 billion
- D. 10 billion
Their new study shows that humans are strange predators. Unlike other animals, we target adult prey in large numbers. That is a practice that can push populations of those prey into decline, the researchers warn. People mainly target — at least among wild mammals and fishes — prey that are old enough to reproduce.
Answer:
Crossing over.
Explanation:
Crossing over may be defined as the phenomena of exchange of the genetic material between the non- sister chromatids of the homologous chromosomes. The crossing over occurs at the pachytene stage.
The crossing over may provide a source of genetic variation as it can create variation in the homologs of paternal and maternal lineage, present within a haploid cell. This crossing over occurs during the process of synapsis.
