Answer: The correct answer is- bone structure of the baleen whale and the hummingbird share common ancestor.
Bone structure of the baleen whale and the hummingbird are the homologous organs.
Homologous organs can be described as the organs of different animals, which possess same basic structure but perform different functions.
For example- The flippers of a whale and forelimb of man, bone structure of the baleen whale and the hummingbird.
Baleen Whales and hummingbirds have a basic tetrapod skeletons, which is inherited from a common ancestor. But their bodies have been modified and they have lost parts through natural selection. This results in different adaptation in the form of their respective lifestyles over many years.
Answer:
Explanation:
Biogeochemical cycles represent the main system by which the energy of the Sun is transformed into energy of the chemical compounds by living beings and products of their activity. :)
Answer:
Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases
Explanation:
Answer:
Os ratos do campo tendem a comer principalmente sementes de árvores, mas também comem caramujos, insetos, frutas, bagas, nozes e fungos
grande variedade de plantas, cogumelos, frutas, insetos, peixes, pequenos anfíbios, ovos e até carniça animal.
De nada
During the embryonic period, the embryo develops according to the proximodistal principle, which means that the embryo develops the center of the body before other parts are developed.
The embryo which undergo various degree of development in the womb. The embryo begins in the center of the body which houses a lot of important organs such as the heart , liver, kidney etc.
These organs require a very well defined and special development which is why development starts from this part.
The trunk of the body such as the hand and legs are developed after the center parts of the embryo is developed.
Read more on brainly.com/question/25281460
