The graph represents what has happened over an 8 year period, when non-native Nile perch were introduced to Lake Malawi in Africa. Based on the data, which statement is true? A) The Nile perch is competitively excluding the pike cichlid. B) The Nile perch and Pike cichlid probably do not compete for food. C) There is probably commensalism between the Nile perch and the pike cichlid. D) The Nile perch and Pike cichlid probably occupy different ecological niches.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases