Lightweight beaks, heavy teeth, stability in flight
Answet is D
species come under at a very low level of the classifieds
Answer:
B
Explanation:
Energy always flows from the sun, to the producer, to the primary consumer, to the secondary consumer, to the tertiary consumer, and so on. Algae has to come after the sun, because it's a producer.
Answer:
D.They contain a regulatory domain that is functional when removed from the DNA-binding domain.
Explanation:
Transcriptional activators are transcriptional factors that positively regulate transcription of the gene (increase gene transcription). They usually contain two functional domains:
- DNA-binding domain which interacts with DNA
- Activation domain which interacts with other proteins.
Mechanism of action of activators includes their binding to the enhancers (DNA sequences) and recruitment of RNA polymerase II to the promoter.
True the both "flow" the same way in ecosystem. That's what I learened.
