Ans.
In a evolutionary or phylogenetic tree, the nodes represent common ancestral species of the descendants, which are represented by the tips of branches, arising from the nodes.
According to the given evolutionary tree, all organisms are evolved from a common ancestor, represented by the last node, which was present about 13 million years ago. Hence, the option 1). is correct.
The second last node is showing a common ancestor to gorilla, chimpanzee, bonobo, and human, which was evolved to different species about 6 million years ago. Hence, the option 3). is correct.
Thus, the correct options are 'option (1). and option (2).'
Answer:
B, Kristen can find out the sex of her fetus using ultrasound as early as 14 weeks but most doctors schedule an ultrasound at around 18 to 21 weeks
<span>Scientific research has an integral relationship to environmental resources. Resources that exist in the environment can help scientific research by making available the material that is necessary to conduct experiments. Water is an environmental resource and scientists can test the water in the environment in order to see if there are toxic levels of chemicals in the water. Without these resources, the science would not be as relevant.</span>
Answer:
okay gimmie like 5 mins I'll look at them then give u awnser
It can be frozen (32°F or 0°C) which would slow the energy of the molecules. or it could be boiled (212°F or 100°C) which would rapidly increase the speed of the molecules.
