Answers: 2
Biology, 21.06.2019 22:00
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
Answers: 3
Biology, 22.06.2019 02:00
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
Answers: 3
Biology, 22.06.2019 07:30
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
Answers: 1
Biology, 22.06.2019 11:00
Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?
Answers: 1
Types of biofuels and their importance...
Mathematics, 04.09.2021 06:00
Chemistry, 04.09.2021 06:10
Mathematics, 04.09.2021 06:10
Social Studies, 04.09.2021 06:10
Spanish, 04.09.2021 06:10
English, 04.09.2021 06:10
History, 04.09.2021 06:10
Social Studies, 04.09.2021 06:10
Mathematics, 04.09.2021 06:10
Mathematics, 04.09.2021 06:10
Health, 04.09.2021 06:10
Chemistry, 04.09.2021 06:10