Posts Tagged ‘organisms’

a symbiotic relationship in both organisms benefit is………………

two or more individuals or populations trying to use te same limited resource is ……………..

1) In Which community would organisms mostly likely have evolved to respond to different photoperiods?
a. coral reef
b. savanna
c. temperate forest
d. abyssal

2) Moving along altitudinal and latitudinal gradients, you’ll find the same sequence of biomes. There are equivalent changes along the gradient in which of the following except
a. temperature
b. humidity
c. vegetation
d. day length

3) Which would be most helpful in solving the world’s environmental problems?
a. increased agricultural productivity
b. increased life expectancy
c. more food from the oceans
d. decreased human birth rates
I don’t think it’s a or b but i’m not sure.

Last question: The pattern of dispersion for a certain species of kelp is clumped. The pattern for a species of snail living on the kelp would be…
a. absolute
b. clumped
c. homogenous
d. uniform
I think it’s d but I’m not sure.

Thanks

What is the original source of energy for an ecosystem? Describe how that energy is transferred to different organisms in that ecosystem.

List:
frog, human, hawk, flies, grass, snake, bacteria, mice, grasshopper, flea, rotton fruit, fish

a)name all the producers in the list
b)name all the hervivores in the list
c)name the carnivores in the list
d)name the parasite in the list
e)name the decomposer in the list

Using those words in the list how could i draw a food web using eight of the organisms

Whats the difference btw. food web and food chain

in a biogeological cycle, nutrient molecules ………..through the environment and ……….among the organisms who live there.
A. slowly, quickly
b.slowly, slowly
c.quickly, slowly
d.quicly, quickly
i know nutrient molecules flow slowly trough the environment, but not sure about among the oraganisms.
if you are sure please answer this question.
thanks i advance.

Boiling water kills most organisms, but how about chemicals and hormones? I don’t want to be drinking estrogen/whatever else people piss and flush into the water system after popping their pills. I already got rid of my plastic bottle drinking habits because of BPA and the environment, but the hormones/chemicals lurking in the water system get me paranoid. Help?

The world’s oceans are becoming more acidic which in turn are damaging shell making organisms including coral reefs.