CAYTONIA is an extinct plant that existed 200 to 140 million years ago. It has reproductive structures that resemble
reproductive structures in modern flowering plants. How do
scientists know about the structures in an ancient extinct
plant?
Scientists study DNA structure of CAYTONIA
Scientists genetically engineer modern plants to produce CAYTONIA.
O Scientists excavate and examine fossilized remains of CAYTONIA.
Scientists observe the adaptations of plant in habitats resembling
those of CAYTONIA.

the answer to this question is a

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.