I have moist skin but no scales and 2 pairs of legs. Although i have lungs and live on land, my young live in water and use gills to breath.

How to be taller at puberty stage. maybe a bit late, which is 16 y/o

Which of these is a compound? Question options: carbon carbon dioxide air oxygen

True or false? Of the nutrients phosphorus and nitrogen, phosphorus causes the most damage to oceans.

What is the phenotype frequency? A. The total number of genes in a population B. The number of different traits an organism has C. The distribution of traits in a population D. All the types of alleles in a population

What is the name of the organ? Some mammals have an organ that connects the mother and developing offspring, allowing for the exchange of materials like nutrients, gases, and wastes. mammary gland placenta pouch crop

Color blindness is an example of the following

What is the main function of lipids in biological organisms?

Which tissue is affected by polio?

How to cure brain-farts

Why do you think the dna condenses into the chromosome?