Answer:
Explanation:
Basic building blocks of all living things
Crossing over happens in Meiosis 1 only. In Prophase 1 a cells chromatin (chromatin = chromosomes that have not condensed yet) condense and pair up forming homologous chromosomes (paired = XX (2 chromosomes together)). When this happens segments/ alleles of the chromosomes pairing up swap over. This creates genetic diversity as each chromosome is different, it has parts from its pair. This leaves every chromosome unique and individual.
I hope this helps, sorry some of the vocab is rather technical. By the way I would suggest watching the
'Crash Course: Meiosis' on YouTube, this really helped me when I was learning this topic. :D
Answer:
3. Rise in sea level
Explanation:
As the glaciers melt the water from the melted glaciers causes the sea to rise since more water is being added. Not answer 1 or 2 because ice melts as it gets warmer.
B)Facilitated diffusion is a form of active transport. Regular diffusion is a form of passive transport.
Not all mixtures are solutions. It has to be a special homogeneous bond mixture composted of two or more substances