Biology, 28.01.2020 16:51 solisemily62
In vertebrate animals, the same organ in different species often have different structures. for example, the heart of a fish has two chambers while the heart of a mammal has four chambers. what is an explanation for these differences in organ structure? a) reproductive differences b) differences in the size of the animals c) mutation of the genes of the organisms d) adaptation of organisms to their environments
Answers: 2
Biology, 21.06.2019 22:30
How can you approximate the number of calories required to keep you in energy balance?
Answers: 2
Biology, 22.06.2019 03:50
During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming
Answers: 2
Biology, 22.06.2019 05:30
Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
Answers: 1
In vertebrate animals, the same organ in different species often have different structures. for exam...
English, 31.07.2019 17:00
Biology, 31.07.2019 17:00
Computers and Technology, 31.07.2019 17:00
Biology, 31.07.2019 17:00
Biology, 31.07.2019 17:00
Mathematics, 31.07.2019 17:00
Biology, 31.07.2019 17:00
History, 31.07.2019 17:00
Physics, 31.07.2019 17:00