A blue-green color indicates the presence of blood when a test is carried out at a crime scene.

A) Precipitin

B) Luminol

C) Kastle-Meyer test

D) Hematest® tablet

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Which of the following is not associated with invasive species?

What is used as a template during replication? a- mrna b- trna c- rrna d- dna