Answer:
I think the third one......
Answer:
Giraffes usually only have a single baby, born after a 15-month gestation period. But because they're able to breed all year round, giraffes don't need to 'resynchronise' with the seasons each time they give birth. Sadly, about 50% of giraffe calves do not survive their first year.
Explanation:
Hope this will help
The father determines if its male or female. So the father is the carrier and the allele is on the Y chromosome.
Answer:
naturalistic observation
Explanation:
The best possible way to study how tigers interact with each other in their habitats would be to use a naturalistic observation. This type of observation focuses on observing the main subject of the study in it's natural environment without interfering in any sort of way. This allows the scientists to observe exactly how the tigers interact when there are no humans around.
Protons and Neutrons affect the mass. Protons and Electrons change the charge of the atom (positively or negatively charged). Valence electrons are the ones that do fun stuff in chemical reactions, they are responsible for making/breaking bonds, at least to my understanding.
Hope this helps.