Biology, 29.06.2019 16:30 Ashlynnocean6305
What term describes the ability of an animal to know the meaning of the signals it sends and receives? cognition instinct behavior communication
Answers: 2
Biology, 22.06.2019 14:30, ItzMeEmilyyyy
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
Biology, 22.06.2019 18:00, chayaharroch03
1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.
Answers: 1
Biology, 23.06.2019 01:10, Queenhagar
Apopulation of bears has genetic diversity. some of the bears have an allele that gives them thicker fur. due to climate change, the winters have gotten colder in their habitat. now the bears with thicker fur are becoming more common in the population. a.) which type of bear is selected for in the coldest ecosystem? b.) what must be the other allele for the type of fur, and what term would you use to describe the fact that the allele is becoming less common in the colder climate? c.) describe the change in the bear population in terms of changing allele frequencies and phenotypes d.) is this an example of natural selection
Answers: 2
What term describes the ability of an animal to know the meaning of the signals it sends and receive...
Mathematics, 30.11.2019 11:31
English, 30.11.2019 11:31
Mathematics, 30.11.2019 11:31
Mathematics, 30.11.2019 11:31
Health, 30.11.2019 11:31
History, 30.11.2019 11:31